diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 1e7aa4d..08d82ab 100644
--- a/.idea/workspace.xml
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diff --git "a/6-1\347\255\226\347\225\245\346\250\241\345\274\217/promotions.py" "b/6-1\347\255\226\347\225\245\346\250\241\345\274\217/promotions.py"
new file mode 100644
index 0000000..316df1b
--- /dev/null
+++ "b/6-1\347\255\226\347\225\245\346\250\241\345\274\217/promotions.py"
@@ -0,0 +1,83 @@
+from abc import ABC,abstractmethod
+from collections import namedtuple
+import inspect
+
+Customer = namedtuple('Customer', 'name fidelity')
+
+class LineItem:
+    """单个的商品"""
+    def __init__(self, product, quantity, price):
+        self.product = product
+        self.quantity = quantity
+        self.price = price
+
+    def total(self):
+        return self.price * self.quantity
+
+class Order:
+    """订单"""
+    def __init__(self, customer, cart, promotion=None):
+        self.customer = customer
+        self.cart = list(cart)
+        self.promotion = promotion
+        self.total_money=None
+
+    def total(self):
+        if self.total_money is None:
+            self.total_money = sum(item.total() for item in self.cart)
+        return self.total_money
+
+    def due(self):
+        if self.promotion is None:
+            discount = 0
+        else:
+            # self.promotion is an instance of Promotion
+            discount = self.promotion(self)
+        return self.total() - discount
+
+    def __repr__(self):
+        fmt = '<Order total:{:.2f} due: {:.2f}>'
+        return fmt.format(self.total(), self.due())
+
+def Fidelity_promo(order):
+    """为积分为1000或以上的顾客提供5%折扣"""
+    return order.total() * .05 if order.customer.fidelity >= 1000 else 0
+
+def BulkItem_promo(order):
+    """单个商品为20个或以上时提供10%折扣"""
+    discount = 0
+    for item in order.cart:
+        if item.quantity >= 20:
+            discount += item.total() * .1
+    return discount
+
+
+def LargeOrder_promo(order):
+    """订单中的不同商品达到10个或以上时提供7%折扣"""
+    discount_items = {item.product for item in order.cart}
+    if len(discount_items) >= 10:
+        return order.total() * .07
+    return 0
+
+promos=[globals()[name] for name in globals()
+        if name.endswith('_promo')
+        and name !='best_promo']
+
+
+def best_promo(order):
+    return max(promo(order) for promo in promos)
+
+
+# print(Order(joe,cart,best_promo))
+# print(Order(ann,cart,best_promo))
+
+if __name__=="__main__":
+    joe = Customer('John Doe', 0)
+    ann = Customer('Ann', 1050)
+    cart = [LineItem('banana', 4, .5),
+            LineItem('apple', 10, 1.5),
+            LineItem('watermellon', 5, 5.0)]
+    print([globals()[name] for name in globals() if name.endswith('_promo')
+           and name != 'best_promo'])
+    for method in promos:
+        print(method)
\ No newline at end of file
diff --git "a/6-1\347\255\226\347\225\245\346\250\241\345\274\217/\344\275\277\347\224\250\345\207\275\346\225\260\345\256\236\347\216\260\347\255\226\347\225\245\346\250\241\345\274\217.py" "b/6-1\347\255\226\347\225\245\346\250\241\345\274\217/\344\275\277\347\224\250\345\207\275\346\225\260\345\256\236\347\216\260\347\255\226\347\225\245\346\250\241\345\274\217.py"
new file mode 100644
index 0000000..83aa5be
--- /dev/null
+++ "b/6-1\347\255\226\347\225\245\346\250\241\345\274\217/\344\275\277\347\224\250\345\207\275\346\225\260\345\256\236\347\216\260\347\255\226\347\225\245\346\250\241\345\274\217.py"
@@ -0,0 +1,69 @@
+from abc import ABC,abstractmethod
+from collections import namedtuple
+
+Customer = namedtuple('Customer', 'name fidelity')
+
+class LineItem:
+    """单个的商品"""
+    def __init__(self, product, quantity, price):
+        self.product = product
+        self.quantity = quantity
+        self.price = price
+
+    def total(self):
+        return self.price * self.quantity
+
+class Order:
+    """订单"""
+    def __init__(self, customer, cart, promotion=None):
+        self.customer = customer
+        self.cart = list(cart)
+        self.promotion = promotion
+        self.total_money=None
+
+    def total(self):
+        if self.total_money is None:
+            self.total_money = sum(item.total() for item in self.cart)
+        return self.total_money
+
+    def due(self):
+        if self.promotion is None:
+            discount = 0
+        else:
+            # self.promotion is an instance of Promotion
+            discount = self.promotion(self)
+        return self.total() - discount
+
+    def __repr__(self):
+        fmt = '<Order total:{:.2f} due: {:.2f}>'
+        return fmt.format(self.total(), self.due())
+
+def Fidelity_promo(order):
+    """为积分为1000或以上的顾客提供5%折扣"""
+    return order.total() * .05 if order.customer.fidelity >= 1000 else 0
+
+def BulkItem_promo(order):
+    """单个商品为20个或以上时提供10%折扣"""
+    discount = 0
+    for item in order.cart:
+        if item.quantity >= 20:
+            discount += item.total() * .1
+    return discount
+
+
+def LargeOrder_promo(order):
+    """订单中的不同商品达到10个或以上时提供7%折扣"""
+    discount_items = {item.product for item in order.cart}
+    if len(discount_items) >= 10:
+        return order.total() * .07
+    return 0
+
+joe=Customer('John Doe',0)
+ann=Customer('Ann',1050)
+cart=[LineItem('banana',4,.5),
+     LineItem('apple',10,1.5),
+     LineItem('watermellon',5,5.0)]
+print(Order(joe,cart,Fidelity_promo))
+print(Order(ann,cart,Fidelity_promo))
+
+
diff --git "a/6-1\347\255\226\347\225\245\346\250\241\345\274\217/\346\211\276\345\207\272\346\250\241\345\235\227\344\270\255\347\232\204\345\205\250\351\203\250\347\255\226\347\225\245.py" "b/6-1\347\255\226\347\225\245\346\250\241\345\274\217/\346\211\276\345\207\272\346\250\241\345\235\227\344\270\255\347\232\204\345\205\250\351\203\250\347\255\226\347\225\245.py"
new file mode 100644
index 0000000..5449050
--- /dev/null
+++ "b/6-1\347\255\226\347\225\245\346\250\241\345\274\217/\346\211\276\345\207\272\346\250\241\345\235\227\344\270\255\347\232\204\345\205\250\351\203\250\347\255\226\347\225\245.py"
@@ -0,0 +1,82 @@
+from abc import ABC,abstractmethod
+from collections import namedtuple
+import inspect
+
+Customer = namedtuple('Customer', 'name fidelity')
+
+class LineItem:
+    """单个的商品"""
+    def __init__(self, product, quantity, price):
+        self.product = product
+        self.quantity = quantity
+        self.price = price
+
+    def total(self):
+        return self.price * self.quantity
+
+class Order:
+    """订单"""
+    def __init__(self, customer, cart, promotion=None):
+        self.customer = customer
+        self.cart = list(cart)
+        self.promotion = promotion
+        self.total_money=None
+
+    def total(self):
+        if self.total_money is None:
+            self.total_money = sum(item.total() for item in self.cart)
+        return self.total_money
+
+    def due(self):
+        if self.promotion is None:
+            discount = 0
+        else:
+            # self.promotion is an instance of Promotion
+            discount = self.promotion(self)
+        return self.total() - discount
+
+    def __repr__(self):
+        fmt = '<Order total:{:.2f} due: {:.2f}>'
+        return fmt.format(self.total(), self.due())
+
+def Fidelity_promo(order):
+    """为积分为1000或以上的顾客提供5%折扣"""
+    return order.total() * .05 if order.customer.fidelity >= 1000 else 0
+
+def BulkItem_promo(order):
+    """单个商品为20个或以上时提供10%折扣"""
+    discount = 0
+    for item in order.cart:
+        if item.quantity >= 20:
+            discount += item.total() * .1
+    return discount
+
+
+def LargeOrder_promo(order):
+    """订单中的不同商品达到10个或以上时提供7%折扣"""
+    discount_items = {item.product for item in order.cart}
+    if len(discount_items) >= 10:
+        return order.total() * .07
+    return 0
+
+promos=[globals()[name] for name in globals()
+        if name.endswith('_promo')
+        and name !='best_promo']
+
+def best_promo(order):
+    return max(promo(order) for promo in promos)
+
+
+if __name__=="__main__":
+
+    joe = Customer('John Doe', 0)
+    ann = Customer('Ann', 1050)
+    cart = [LineItem('banana', 4, .5),
+            LineItem('apple', 10, 1.5),
+            LineItem('watermellon', 5, 5.0)]
+    print([globals()[name] for name in globals() if name.endswith('_promo')
+           and name != 'best_promo'])
+    for method in promos:
+        print(method)
+    # print(Order(joe,cart,best_promo))
+    # print(Order(ann,cart,best_promo))
\ No newline at end of file
diff --git "a/6-1\347\255\226\347\225\245\346\250\241\345\274\217/\347\273\217\345\205\270\347\255\226\347\225\245\346\250\241\345\274\217.py" "b/6-1\347\255\226\347\225\245\346\250\241\345\274\217/\347\273\217\345\205\270\347\255\226\347\225\245\346\250\241\345\274\217.py"
new file mode 100644
index 0000000..bcf7a12
--- /dev/null
+++ "b/6-1\347\255\226\347\225\245\346\250\241\345\274\217/\347\273\217\345\205\270\347\255\226\347\225\245\346\250\241\345\274\217.py"
@@ -0,0 +1,80 @@
+from abc import ABC,abstractmethod
+from collections import namedtuple
+
+Customer = namedtuple('Customer', 'name fidelity')
+
+class LineItem:
+    """单个的商品"""
+    def __init__(self, product, quantity, price):
+        self.product = product
+        self.quantity = quantity
+        self.price = price
+
+    def total(self):
+        return self.price * self.quantity
+
+class Order:
+    """订单"""
+    def __init__(self, customer, cart, promotion=None):
+        self.customer = customer
+        self.cart = list(cart)
+        self.promotion = promotion
+        self.total_money=None
+
+    def total(self):
+        if self.total_money is None:
+            print('set total')
+            self.total_money = sum(item.total() for item in self.cart)
+        else:
+            print('already have set self.total')
+        return self.total_money
+
+    def due(self):
+        if self.promotion is None:
+            discount = 0
+        else:
+            # self.promotion is an instance of Promotion
+            discount = self.promotion.discount(self)
+        return self.total() - discount
+
+    def __repr__(self):
+        fmt = '<Order total:{:.2f} due: {:.2f}>'
+        return fmt.format(self.total(), self.due())
+
+class Promotion(ABC):
+    @abstractmethod
+    def discount(self, order):
+        """返回折扣金额"""
+        pass
+
+class FidelityPromo(Promotion):
+    """为积分为1000或以上的顾客提供5%折扣"""
+    def discount(self, order):
+        # A if condition else B
+        return order.total() * .05 if order.customer.fidelity >= 1000 else 0
+
+class BulkItemPromo(Promotion):
+    """单个商品为20个或以上时提供10%折扣"""
+    def discount(self,order):
+        discount=0
+        for item in order.cart:
+            if item.quantity>=20:
+                discount+=item.total()*.1
+        return discount
+
+class LargeOrderPromo(Promotion):
+    """订单中的不同商品达到10个或以上时提供7%折扣"""
+    def discount(self,order):
+        discount_items={item.product for item in order.cart}
+        if len(discount_items)>=10:
+            return order.total()*.07
+        return 0
+
+joe=Customer('John Doe',0)
+ann=Customer('Ann',1050)
+cart=[LineItem('banana',4,.5),
+     LineItem('apple',10,1.5),
+     LineItem('watermellon',5,5.0)]
+print(Order(joe,cart,FidelityPromo()))
+print(Order(ann,cart,FidelityPromo()))
+
diff --git "a/6-1\347\255\226\347\225\245\346\250\241\345\274\217/\351\200\211\346\213\251\346\234\200\344\275\263\347\255\226\347\225\245.py" "b/6-1\347\255\226\347\225\245\346\250\241\345\274\217/\351\200\211\346\213\251\346\234\200\344\275\263\347\255\226\347\225\245.py"
new file mode 100644
index 0000000..f942660
--- /dev/null
+++ "b/6-1\347\255\226\347\225\245\346\250\241\345\274\217/\351\200\211\346\213\251\346\234\200\344\275\263\347\255\226\347\225\245.py"
@@ -0,0 +1,75 @@
+from abc import ABC,abstractmethod
+from collections import namedtuple
+
+Customer = namedtuple('Customer', 'name fidelity')
+
+class LineItem:
+    """单个的商品"""
+    def __init__(self, product, quantity, price):
+        self.product = product
+        self.quantity = quantity
+        self.price = price
+
+    def total(self):
+        return self.price * self.quantity
+
+class Order:
+    """订单"""
+    def __init__(self, customer, cart, promotion=None):
+        self.customer = customer
+        self.cart = list(cart)
+        self.promotion = promotion
+        self.total_money=None
+
+    def total(self):
+        if self.total_money is None:
+            self.total_money = sum(item.total() for item in self.cart)
+        return self.total_money
+
+    def due(self):
+        if self.promotion is None:
+            discount = 0
+        else:
+            # self.promotion is an instance of Promotion
+            discount = self.promotion(self)
+        return self.total() - discount
+
+    def __repr__(self):
+        fmt = '<Order total:{:.2f} due: {:.2f}>'
+        return fmt.format(self.total(), self.due())
+
+def Fidelity_promo(order):
+    """为积分为1000或以上的顾客提供5%折扣"""
+    return order.total() * .05 if order.customer.fidelity >= 1000 else 0
+
+def BulkItem_promo(order):
+    """单个商品为20个或以上时提供10%折扣"""
+    discount = 0
+    for item in order.cart:
+        if item.quantity >= 20:
+            discount += item.total() * .1
+    return discount
+
+
+def LargeOrder_promo(order):
+    """订单中的不同商品达到10个或以上时提供7%折扣"""
+    discount_items = {item.product for item in order.cart}
+    if len(discount_items) >= 10:
+        return order.total() * .07
+    return 0
+
+promos=[Fidelity_promo,BulkItem_promo,LargeOrder_promo]
+
+def best_promo(order):
+    return max(promo(order) for promo in promos)
+
+joe=Customer('John Doe',0)
+ann=Customer('Ann',1050)
+cart=[LineItem('banana',4,.5),
+     LineItem('apple',10,1.5),
+     LineItem('watermellon',5,5.0)]
+print(Order(joe,cart,best_promo))
+print(Order(ann,cart,best_promo))
+
+
+
diff --git a/__pycache__/promotions.cpython-36.pyc b/__pycache__/promotions.cpython-36.pyc
new file mode 100644
index 0000000..2a44292
Binary files /dev/null and b/__pycache__/promotions.cpython-36.pyc differ
diff --git a/newtext.txt b/newtext.txt
deleted file mode 100644
index d800886..0000000
--- a/newtext.txt
+++ /dev/null
@@ -1 +0,0 @@
-123
\ No newline at end of file
diff --git a/promotions.py b/promotions.py
new file mode 100644
index 0000000..c86d753
--- /dev/null
+++ b/promotions.py
@@ -0,0 +1,83 @@
+from abc import ABC,abstractmethod
+from collections import namedtuple
+import inspect
+
+Customer = namedtuple('Customer', 'name fidelity')
+
+class LineItem:
+    """单个的商品"""
+    def __init__(self, product, quantity, price):
+        self.product = product
+        self.quantity = quantity
+        self.price = price
+
+    def total(self):
+        return self.price * self.quantity
+
+class Order:
+    """订单"""
+    def __init__(self, customer, cart, promotion=None):
+        self.customer = customer
+        self.cart = list(cart)
+        self.promotion = promotion
+        self.total_money=None
+
+    def total(self):
+        if self.total_money is None:
+            self.total_money = sum(item.total() for item in self.cart)
+        return self.total_money
+
+    def due(self):
+        if self.promotion is None:
+            discount = 0
+        else:
+            # self.promotion is an instance of Promotion
+            discount = self.promotion(self)
+        return self.total() - discount
+
+    def __repr__(self):
+        fmt = '<Order total:{:.2f} due: {:.2f}>'
+        return fmt.format(self.total(), self.due())
+
+def Fidelity_promo(order):
+    """为积分为1000或以上的顾客提供5%折扣"""
+    return order.total() * .05 if order.customer.fidelity >= 1000 else 0
+
+def BulkItem_promo(order):
+    """单个商品为20个或以上时提供10%折扣"""
+    discount = 0
+    for item in order.cart:
+        if item.quantity >= 20:
+            discount += item.total() * .1
+    return discount
+
+
+def LargeOrder_promo(order):
+    """订单中的不同商品达到10个或以上时提供7%折扣"""
+    discount_items = {item.product for item in order.cart}
+    if len(discount_items) >= 10:
+        return order.total() * .07
+    return 0
+
+
+def best_promo(order):
+    return max(promo(order) for promo in promos)
+
+
+# print(Order(joe,cart,best_promo))
+# print(Order(ann,cart,best_promo))
+
+if __name__=="__main__":
+    promos = [globals()[name] for name in globals()
+              if name.endswith('_promo')
+              and name != 'best_promo']
+
+    joe = Customer('John Doe', 0)
+    ann = Customer('Ann', 1050)
+    cart = [LineItem('banana', 4, .5),
+            LineItem('apple', 10, 1.5),
+            LineItem('watermellon', 5, 5.0)]
+    print([globals()[name] for name in globals() if name.endswith('_promo')
+           and name != 'best_promo'])
+    for method in promos:
+        print(method)
\ No newline at end of file
diff --git "a/python\346\225\260\346\215\256\347\261\273\345\236\213/\345\255\246\344\271\240bytes.py" "b/python\346\225\260\346\215\256\347\261\273\345\236\213/\345\255\246\344\271\240bytes.py"
new file mode 100644
index 0000000..84f4c1e
--- /dev/null
+++ "b/python\346\225\260\346\215\256\347\261\273\345\236\213/\345\255\246\344\271\240bytes.py"
@@ -0,0 +1,15 @@
+a='万'
+
+print(ord(a))
+
+b=bytes(a,'utf-8')
+print(b)
+
+c=bytes(a,'gb2312')
+print(c)
+
+for i in range(len(b)):
+    print(b[i])
+
+# 反编码
+print(b.decode('utf-8'))
\ No newline at end of file
diff --git "a/\345\206\205\347\234\201.py" "b/\345\206\205\347\234\201.py"
new file mode 100644
index 0000000..ad275df
--- /dev/null
+++ "b/\345\206\205\347\234\201.py"
@@ -0,0 +1,10 @@
+import promotions
+import inspect
+
+# 模块也是一等对象
+# inspect 可以 处理 模块
+
+promos=[name for name,func in inspect.getmembers(promotions,inspect.isfunction)
+        if name.endswith('_promo') and not name.startswith('best_')]
+for method in promos:
+    print(method)
\ No newline at end of file
diff --git "a/\345\211\215\345\207\240\347\253\240/2-18\346\240\271\346\215\256\344\270\200\344\270\252\345\210\206\346\225\260\346\211\276\345\210\260\345\256\203\345\257\271\345\272\224\347\232\204\346\210\220\347\273\251.py" "b/\345\211\215\345\207\240\347\253\240/2-18\346\240\271\346\215\256\344\270\200\344\270\252\345\210\206\346\225\260\346\211\276\345\210\260\345\256\203\345\257\271\345\272\224\347\232\204\346\210\220\347\273\251.py"
new file mode 100644
index 0000000..785d3e5
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/2-18\346\240\271\346\215\256\344\270\200\344\270\252\345\210\206\346\225\260\346\211\276\345\210\260\345\256\203\345\257\271\345\272\224\347\232\204\346\210\220\347\273\251.py"
@@ -0,0 +1,8 @@
+import bisect
+
+def grade(score,breadpoints=[60,70,80,90],grades='FDCBA'):
+    # bisect == bisect_right
+    i = bisect.bisect(breadpoints,score)
+    return grades[i]
+
+print([grade(score) for score in [33,99,77,70,89,90,100]])
\ No newline at end of file
diff --git "a/\345\211\215\345\207\240\347\253\240/2-20.py" "b/\345\211\215\345\207\240\347\253\240/2-20.py"
new file mode 100644
index 0000000..9d076ce
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/2-20.py"
@@ -0,0 +1,20 @@
+from array import array
+from random import random
+
+floats=array('d',(random() for i in range(10**3)))
+print(floats[-1])
+
+# 保存数组
+fp = open('floats.bin','wb')
+floats.tofile(fp)
+fp.close()
+
+# 读取数组
+floats2=array('d')
+fp=open('floats.bin','rb')
+floats2.fromfile(fp,10**3)
+fp.close()
+print(floats[-1])
+
+print(floats == floats2)
+print(len(floats2))
\ No newline at end of file
diff --git "a/\345\211\215\345\207\240\347\253\240/2-21\345\206\205\345\255\230\350\247\206\345\233\276.py" "b/\345\211\215\345\207\240\347\253\240/2-21\345\206\205\345\255\230\350\247\206\345\233\276.py"
new file mode 100644
index 0000000..e10b3a4
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/2-21\345\206\205\345\255\230\350\247\206\345\233\276.py"
@@ -0,0 +1,18 @@
+from array import array
+numbers=array('h',[-2,-1,0,1,2])
+print(type(numbers))
+print(type(numbers[0]))
+
+# 内存视图
+memv=memoryview(numbers)
+print("len numbers = ",len(numbers))
+print('len memv = ',len(memv))
+
+print('memv[0] =',memv[0])
+
+# B 表示无符号字符
+memv_oct=memv.cast('B')
+print(memv_oct.tolist())
+
+memv_oct[5]=4
+print(numbers)
\ No newline at end of file
diff --git "a/\345\211\215\345\207\240\347\253\240/2-23\344\275\277\347\224\250\345\217\214\345\220\221\351\230\237\345\210\227.py" "b/\345\211\215\345\207\240\347\253\240/2-23\344\275\277\347\224\250\345\217\214\345\220\221\351\230\237\345\210\227.py"
new file mode 100644
index 0000000..ba9ed93
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/2-23\344\275\277\347\224\250\345\217\214\345\220\221\351\230\237\345\210\227.py"
@@ -0,0 +1,15 @@
+from collections import deque
+
+dq=deque(range(10),maxlen=10)
+print(dq)
+# Rotate the deque n steps to the right (default n=1).  If n is negative, rotates left.
+dq.rotate(3)
+print(dq)
+dq.rotate(-4)
+print(dq)
+dq.appendleft(-1)
+print(dq)
+dq.extend([11,22,33])
+print(dq)
+dq.extendleft([10,20,30,40])
+print(dq)
\ No newline at end of file
diff --git "a/2-3-3\345\265\214\345\245\227\345\205\203\347\273\204\346\213\206\345\214\205.py" "b/\345\211\215\345\207\240\347\253\240/2-3-3\345\265\214\345\245\227\345\205\203\347\273\204\346\213\206\345\214\205.py"
similarity index 100%
rename from "2-3-3\345\265\214\345\245\227\345\205\203\347\273\204\346\213\206\345\214\205.py"
rename to "\345\211\215\345\207\240\347\253\240/2-3-3\345\265\214\345\245\227\345\205\203\347\273\204\346\213\206\345\214\205.py"
diff --git "a/\345\211\215\345\207\240\347\253\240/2-5.py" "b/\345\211\215\345\207\240\347\253\240/2-5.py"
new file mode 100644
index 0000000..b7fd757
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/2-5.py"
@@ -0,0 +1,40 @@
+
+# 使用 *3 +1 都会返回新的对象
+board = [['_']*3 for i in range(3)]
+print(board)
+board[0][0]='x'
+print(board)
+
+print()
+# ['_'] 不是引用 [['_','_','_']] 是引用
+# 后面的 *3 会导致三个相同的引用
+weird_board = [['_']*3] *3
+print(weird_board)
+weird_board[0][2]='x'
+print(weird_board)
+
+print()
+# 列表中保存的是三个相同的引用
+row = ['_']*3
+board =[]
+# 这种方式会 添加三个相同的引用
+for i in range(3):
+    board.append(row)
+print(board)
+board[0][0]='x'
+print(board)
+
+# 这种方式不会有错误
+row = ['_']*3
+print(row)
+row[0]='x'
+print(row)
+
+print()
+board=[]
+for i in range(3):
+    row = ['_']*3
+    board.append(row)
+print(board)
+board[0][0]='x'
+print(board)
\ No newline at end of file
diff --git "a/2-6\347\256\200\345\215\225\347\232\204\345\242\236\351\207\217\350\265\213\345\200\274.py" "b/\345\211\215\345\207\240\347\253\240/2-6\347\256\200\345\215\225\347\232\204\345\242\236\351\207\217\350\265\213\345\200\274.py"
similarity index 54%
rename from "2-6\347\256\200\345\215\225\347\232\204\345\242\236\351\207\217\350\265\213\345\200\274.py"
rename to "\345\211\215\345\207\240\347\253\240/2-6\347\256\200\345\215\225\347\232\204\345\242\236\351\207\217\350\265\213\345\200\274.py"
index 3df5bb1..2bf5bbb 100644
--- "a/2-6\347\256\200\345\215\225\347\232\204\345\242\236\351\207\217\350\265\213\345\200\274.py"
+++ "b/\345\211\215\345\207\240\347\253\240/2-6\347\256\200\345\215\225\347\232\204\345\242\236\351\207\217\350\265\213\345\200\274.py"
@@ -1,3 +1,4 @@
+# list 是可变序列
 k=[1,2,3]
 print(id(k))
 k*=2
@@ -5,9 +6,20 @@
 print(id(k))
 print('在可变序列上执行 *= 会在原对象上增加')
 
+# tuple 是不可变序列
 print()
 t=(1,2,3)
 print(id(t),t)
 t*=2
 print(id(t),t)
 print('在不可变序列上使用 *= 会产生一个新的对象 ')
+
+t = [1,2,3]
+print(t)
+print(t*2)
+def doubleValue(x):
+    return 2*x
+print(id(t))
+# 返回一个新的对象
+t=list(map(doubleValue,t))
+print(id(t))
\ No newline at end of file
diff --git "a/2-7sort\346\226\271\346\263\225.py" "b/\345\211\215\345\207\240\347\253\240/2-7sort\346\226\271\346\263\225.py"
similarity index 66%
rename from "2-7sort\346\226\271\346\263\225.py"
rename to "\345\211\215\345\207\240\347\253\240/2-7sort\346\226\271\346\263\225.py"
index 6dcb201..c733ab9 100644
--- "a/2-7sort\346\226\271\346\263\225.py"
+++ "b/\345\211\215\345\207\240\347\253\240/2-7sort\346\226\271\346\263\225.py"
@@ -1,4 +1,5 @@
 fruits=['grape','raspbery','apple','banana']
 print(fruits)
-print(fruits.sort())
+fruits.sort()
+print(sorted(fruits))
 print(fruits)
\ No newline at end of file
diff --git "a/\345\211\215\345\207\240\347\253\240/2-8-1bisect\346\235\245\346\220\234\347\264\242.py" "b/\345\211\215\345\207\240\347\253\240/2-8-1bisect\346\235\245\346\220\234\347\264\242.py"
new file mode 100644
index 0000000..0a56125
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/2-8-1bisect\346\235\245\346\220\234\347\264\242.py"
@@ -0,0 +1,20 @@
+import bisect
+import sys
+
+HAYSTACK = [1,4,5,6,8,12,15,20,21,23,23,26,29,30]
+NEEDLES = [0,1,2,5,8,10,22,23,29,30,31]
+
+ROW_FMT ='{0:2d} @ {1:2d}    {2}{0:<2d}'
+
+def demo(bisect_fn):
+    for needle in reversed(NEEDLES):
+        position = bisect_fn(HAYSTACK, needle)
+        offset = position * '  |'
+        print(ROW_FMT.format(needle, position, offset))
+
+if __name__=="__main__":
+    bisect_fn=bisect.bisect_left
+
+    print('DEMO:',bisect_fn.__name__)
+    print('haystack -> ',' '.join('%2d' % n for n in HAYSTACK))
+    demo(bisect_fn)
\ No newline at end of file
diff --git "a/\345\211\215\345\207\240\347\253\240/2-8-2test.py" "b/\345\211\215\345\207\240\347\253\240/2-8-2test.py"
new file mode 100644
index 0000000..dd29d01
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/2-8-2test.py"
@@ -0,0 +1,19 @@
+import bisect
+import sys
+
+HAYSTACK = [1,4,5,6,8,12,15,20,21,23,23,26,29,30]
+NEEDLES = [0,1,2,5,8,10,22,23,29,30,31]
+
+ROW_FMT ='{0:2d} @ {1:2d}    {2}{0:<2d}'
+
+def demo(bisect_fn):
+    for needle in reversed(NEEDLES):
+        position = bisect_fn(HAYSTACK, needle)
+        offset = position * '  |'
+        print(ROW_FMT.format(needle, position, offset))
+
+if __name__=="__main__":
+    bisect_fn=bisect.bisect_left
+
+    position = bisect_fn(HAYSTACK, 9)
+    print(position)
diff --git "a/\345\211\215\345\207\240\347\253\240/2-9-1\346\225\260\347\273\204.py" "b/\345\211\215\345\207\240\347\253\240/2-9-1\346\225\260\347\273\204.py"
new file mode 100644
index 0000000..7e292c0
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/2-9-1\346\225\260\347\273\204.py"
@@ -0,0 +1,9 @@
+from array import array
+from random import random
+
+floats=array('d',(random() for i in range(10**7)))
+print(floats[-1])
+fp=open('floats.bin','wb')
+# Write all items (as machine values) to the file object f.
+floats.tofile(fp)
+fp.close()
\ No newline at end of file
diff --git "a/\345\211\215\345\207\240\347\253\240/2-9-1\346\225\260\347\273\204\350\257\273\345\217\226.py" "b/\345\211\215\345\207\240\347\253\240/2-9-1\346\225\260\347\273\204\350\257\273\345\217\226.py"
new file mode 100644
index 0000000..470feaa
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/2-9-1\346\225\260\347\273\204\350\257\273\345\217\226.py"
@@ -0,0 +1,9 @@
+from array import array
+
+floats2=array('d')
+fp=open('floats.bin','rb')
+# Read n objects from the file object f and append them to the end of the array.
+floats2.fromfile(fp,10**7)
+fp.close()
+print(floats2[-1])
+print(floats2[:50])
\ No newline at end of file
diff --git "a/\345\211\215\345\207\240\347\253\240/2-9-3Numpy\345\222\214Scipy\344\275\277\347\224\250.py" "b/\345\211\215\345\207\240\347\253\240/2-9-3Numpy\345\222\214Scipy\344\275\277\347\224\250.py"
new file mode 100644
index 0000000..23d2aad
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/2-9-3Numpy\345\222\214Scipy\344\275\277\347\224\250.py"
@@ -0,0 +1,21 @@
+import numpy as np
+from array import array
+floats=array('d')
+fp=open('floats.bin','rb')
+floats.fromfile(fp,10**7)
+print(floats[:5])
+num_floats=np.array(floats,dtype=np.float64)
+print(num_floats[:5])
+num_floats*=5
+print(num_floats[:5])
+
+from time import perf_counter as pc
+# Performance counter for benchmarking.
+t0=pc()
+num_floats/=3
+print(pc()-t0)
+# Numpy  保存 读取
+np.save('floats-10M',num_floats)
+floats2=np.load('floats-10M.npy','r+')
+floats2*=2
+print(floats2[-5:])
\ No newline at end of file
diff --git "a/2-9\345\256\232\344\271\211\345\222\214\344\275\277\347\224\250\345\205\267\345\220\215\345\205\203\347\273\204.py" "b/\345\211\215\345\207\240\347\253\240/2-9\345\256\232\344\271\211\345\222\214\344\275\277\347\224\250\345\205\267\345\220\215\345\205\203\347\273\204.py"
similarity index 100%
rename from "2-9\345\256\232\344\271\211\345\222\214\344\275\277\347\224\250\345\205\267\345\220\215\345\205\203\347\273\204.py"
rename to "\345\211\215\345\207\240\347\253\240/2-9\345\256\232\344\271\211\345\222\214\344\275\277\347\224\250\345\205\267\345\220\215\345\205\203\347\273\204.py"
diff --git "a/\345\211\215\345\207\240\347\253\240/3-1\346\263\233\346\230\240\345\260\204\347\261\273\345\236\213.py" "b/\345\211\215\345\207\240\347\253\240/3-1\346\263\233\346\230\240\345\260\204\347\261\273\345\236\213.py"
new file mode 100644
index 0000000..c5512e4
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/3-1\346\263\233\346\230\240\345\260\204\347\261\273\345\236\213.py"
@@ -0,0 +1,6 @@
+from collections import abc
+
+my_dict={}
+
+print('type = ',type(my_dict))
+print(isinstance(my_dict,abc.Mapping))
\ No newline at end of file
diff --git "a/\345\211\215\345\207\240\347\253\240/3-2\345\255\227\345\205\270\346\216\250\345\257\274\347\232\204\345\272\224\347\224\250.py" "b/\345\211\215\345\207\240\347\253\240/3-2\345\255\227\345\205\270\346\216\250\345\257\274\347\232\204\345\272\224\347\224\250.py"
new file mode 100644
index 0000000..5d63375
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/3-2\345\255\227\345\205\270\346\216\250\345\257\274\347\232\204\345\272\224\347\224\250.py"
@@ -0,0 +1,10 @@
+DIAL_CODES = [
+    (86,'china'),
+    (91,'india'),
+    (1,'u s'),
+]
+
+country_code = {country:code for code,country in DIAL_CODES}
+print(country_code)
+
+print({country.upper():code for code,country in DIAL_CODES})
\ No newline at end of file
diff --git "a/\345\211\215\345\207\240\347\253\240/3-6-2\345\255\220\347\261\273\345\214\226UserDict.py" "b/\345\211\215\345\207\240\347\253\240/3-6-2\345\255\220\347\261\273\345\214\226UserDict.py"
new file mode 100644
index 0000000..19bf34f
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/3-6-2\345\255\220\347\261\273\345\214\226UserDict.py"
@@ -0,0 +1,14 @@
+import collections
+
+class StrKeyDict(collections.UserDict):
+    def __missing__(self, key):
+        if isinstance(key,str):
+            raise KeyError(key)
+        return self[str(key)]
+
+    # self.data 是 dict 的实例
+    def __contains__(self, key):
+        return str(key) in self.data
+
+    def __setitem__(self, key, item):
+        self.data[str(key)] = item
\ No newline at end of file
diff --git "a/\345\211\215\345\207\240\347\253\240/3-6\344\275\277\347\224\250StrKeyDict0.py" "b/\345\211\215\345\207\240\347\253\240/3-6\344\275\277\347\224\250StrKeyDict0.py"
new file mode 100644
index 0000000..e11ecbf
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/3-6\344\275\277\347\224\250StrKeyDict0.py"
@@ -0,0 +1,29 @@
+class StrKeyDict0(dict):
+
+    def __missing__(self, key):
+        # 如果找不到的键本身就是字符串
+        if isinstance(key,str):
+            raise KeyError(key)
+        # 如果找不到的键不是字符串，就把它转化为字符串再进行查找
+        return self[str(key)]
+
+    def get(self,key,default=None):
+        try:
+            return self[key]
+        except KeyError:
+            return default
+
+    def __contains__(self, key):
+        return key in self.keys() or str(key) in self.keys()
+
+d=StrKeyDict0([('2','two'),('4','four')])
+print(d['2'])
+print(d[4])
+
+print(d.get('2'))
+print(d.get(4))
+
+print(2 in d)
+print('2' in d)
+# 重写了get 函数 ，当键不存在时 返回None
+print(d.get(1))
\ No newline at end of file
diff --git "a/\345\211\215\345\207\240\347\253\240/3-9\344\270\215\345\217\257\345\217\230\346\230\240\345\260\204\347\261\273\345\236\213.py" "b/\345\211\215\345\207\240\347\253\240/3-9\344\270\215\345\217\257\345\217\230\346\230\240\345\260\204\347\261\273\345\236\213.py"
new file mode 100644
index 0000000..8e7546f
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/3-9\344\270\215\345\217\257\345\217\230\346\230\240\345\260\204\347\261\273\345\236\213.py"
@@ -0,0 +1,4 @@
+from types import MappingProxyType
+d={1:'a'}
+# 相当于给映射添加了一个视图，只可以读该映射
+d_proxy=MappingProxyType(d)
diff --git a/FrenckDeck.py "b/\345\211\215\345\207\240\347\253\240/FrenckDeck.py"
similarity index 93%
rename from FrenckDeck.py
rename to "\345\211\215\345\207\240\347\253\240/FrenckDeck.py"
index 1af2100..6de5593 100644
--- a/FrenckDeck.py
+++ "b/\345\211\215\345\207\240\347\253\240/FrenckDeck.py"
@@ -1,6 +1,7 @@
 import collections
+from random import choice
 
-Card=collections.namedtuple('Card',['rank','suit'])
+Card=collections.namedtuple(typename='Card',field_names=['rank','suit'])
 
 class FrenckDeck:
     ranks=[str(n) for n in range(2,11)]+ list('JQKA')
@@ -21,7 +22,6 @@ def __getitem__(self, position):
 deck=FrenckDeck()
 print(len(deck))
 
-from random import choice
 print(choice(deck))
 
 # 实现 __getitem__ 方法，该类变为可迭代形式
diff --git a/Vector.py "b/\345\211\215\345\207\240\347\253\240/Vector.py"
similarity index 100%
rename from Vector.py
rename to "\345\211\215\345\207\240\347\253\240/Vector.py"
diff --git "a/\345\211\215\345\207\240\347\253\240/floats.bin" "b/\345\211\215\345\207\240\347\253\240/floats.bin"
new file mode 100644
index 0000000..e1503eb
Binary files /dev/null and "b/\345\211\215\345\207\240\347\253\240/floats.bin" differ
diff --git "a/\345\211\215\345\207\240\347\253\240/test.py" "b/\345\211\215\345\207\240\347\253\240/test.py"
new file mode 100644
index 0000000..8e5759e
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/test.py"
@@ -0,0 +1,65 @@
+from collections import namedtuple
+Customer=namedtuple('Customer','name fidelity')
+
+
+class LineItem:
+
+    def __init__(self, product, quantity, price):
+        self.product = product
+        self.quantity = quantity
+        self.price = price
+
+    def total(self):
+        return self.price * self.quantity
+
+
+class Order:
+    def __init__(self, customer, cart, promotion=None):
+        self.customer = customer
+        self.cart = list(cart)
+        self.promotion = promotion
+
+    def total(self):
+        if not hasattr(self, '__total'):
+            self.__total = sum(item.total() for item in self.cart)
+        return self.__total
+
+    def due(self):
+        if self.promotion is None:
+            discount = 0
+        else:
+            discount = self.promotion(self)
+        return self.total() - discount
+
+    def __repr__(self):
+        fmt = '<Order total:{:.2f} due:{:.2f}>'
+        return fmt.format(self.total(), self.due())
+
+
+def fidelity_promo(order):
+    return order.total() * .05 if order.customer.fidelity >= 1000 else 0
+
+
+def bulk_item_promo(order):
+    discount = 0
+    for item in order.cart:
+        if item.quantity >= 20:
+            discount += item.total() * .1
+        return discount
+
+
+def large_order_promo(order):
+    distinct_items = {item.product for item in order.cart}
+    if len(distinct_items) >= 10:
+        return order.total() * .07
+    return 0
+
+joe=Customer('John Doe',0)
+ann=Customer('ann smith',1100)
+cart=[LineItem('banana',4,.5),
+     LineItem('apple',10,1.5),
+     LineItem('watermellon',5,5.0)]
+print(Order(joe,cart,fidelity_promo))
+banana_cart=[LineItem('banana',30,.5),
+            LineItem('apple',10,1.5)]
+print(Order(joe,banana_cart,bulk_item_promo))
\ No newline at end of file
diff --git "a/\345\211\215\345\207\240\347\253\240/test123.py" "b/\345\211\215\345\207\240\347\253\240/test123.py"
new file mode 100644
index 0000000..b203946
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/test123.py"
@@ -0,0 +1,18 @@
+class newclass:
+    def __init__(self,name,age):
+        self.name=name
+        self.age=age
+
+
+    def fangfa(self):
+        if not hasattr(self,'age2'):
+            print('设置...')
+            self.age2=self.age+1
+        else:
+            print('already have')
+        print(id(self.age2))
+        return self.age2
+
+wanjun=newclass('wan',12)
+wanjun.fangfa()
+print(wanjun.fangfa())
\ No newline at end of file
diff --git "a/\344\270\200\344\270\252\350\260\234\351\242\230.py" "b/\345\211\215\345\207\240\347\253\240/\344\270\200\344\270\252\350\260\234\351\242\230.py"
similarity index 100%
rename from "\344\270\200\344\270\252\350\260\234\351\242\230.py"
rename to "\345\211\215\345\207\240\347\253\240/\344\270\200\344\270\252\350\260\234\351\242\230.py"
diff --git "a/\345\211\215\345\207\240\347\253\240/\345\215\225\350\277\233\347\250\213.py" "b/\345\211\215\345\207\240\347\253\240/\345\215\225\350\277\233\347\250\213.py"
new file mode 100644
index 0000000..291efc5
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/\345\215\225\350\277\233\347\250\213.py"
@@ -0,0 +1,17 @@
+from multiprocessing import Process
+import time
+
+
+def task(msg):
+    print('hello, %s' % msg)
+    time.sleep(1)
+
+
+if __name__ == '__main__':
+
+    p = Process(target=task, args=('world',))
+    p.start()
+
+    if p.is_alive():
+        print('Process: %s is running' % p.pid)
+    p.join()
\ No newline at end of file
diff --git "a/\345\211\215\345\207\240\347\253\240/\345\256\232\344\275\215\345\217\202\346\225\260\345\210\260\344\273\205\351\231\220\345\205\263\351\224\256\345\255\227\345\217\202\346\225\260.py" "b/\345\211\215\345\207\240\347\253\240/\345\256\232\344\275\215\345\217\202\346\225\260\345\210\260\344\273\205\351\231\220\345\205\263\351\224\256\345\255\227\345\217\202\346\225\260.py"
new file mode 100644
index 0000000..2112dff
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/\345\256\232\344\275\215\345\217\202\346\225\260\345\210\260\344\273\205\351\231\220\345\205\263\351\224\256\345\255\227\345\217\202\346\225\260.py"
@@ -0,0 +1,10 @@
+def tag(name,*content,cls=None,**attrs):
+    print(name)
+    for c in content:
+        print(c)
+    if cls  is not None:
+        print('cls = ',cls)
+    for attr,value in attrs.items():
+        print('attr = ',attr,' value= ',value)
+
+tag('wanjun',12,25,'jun','wan',key1=12,key2=13)
\ No newline at end of file
diff --git "a/\345\257\271\345\272\217\345\210\227\344\275\277\347\224\250add\345\212\240mul.py" "b/\345\211\215\345\207\240\347\253\240/\345\257\271\345\272\217\345\210\227\344\275\277\347\224\250add\345\212\240mul.py"
similarity index 100%
rename from "\345\257\271\345\272\217\345\210\227\344\275\277\347\224\250add\345\212\240mul.py"
rename to "\345\211\215\345\207\240\347\253\240/\345\257\271\345\272\217\345\210\227\344\275\277\347\224\250add\345\212\240mul.py"
diff --git "a/\346\212\212\345\205\203\347\273\204\347\224\250\344\275\234\350\256\260\345\275\225.py" "b/\345\211\215\345\207\240\347\253\240/\346\212\212\345\205\203\347\273\204\347\224\250\344\275\234\350\256\260\345\275\225.py"
similarity index 100%
rename from "\346\212\212\345\205\203\347\273\204\347\224\250\344\275\234\350\256\260\345\275\225.py"
rename to "\345\211\215\345\207\240\347\253\240/\346\212\212\345\205\203\347\273\204\347\224\250\344\275\234\350\256\260\345\275\225.py"
diff --git "a/\345\211\215\345\207\240\347\253\240/\347\224\250bisect\346\235\245\346\220\234\347\264\242.py" "b/\345\211\215\345\207\240\347\253\240/\347\224\250bisect\346\235\245\346\220\234\347\264\242.py"
new file mode 100644
index 0000000..cf7b9ac
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/\347\224\250bisect\346\235\245\346\220\234\347\264\242.py"
@@ -0,0 +1,23 @@
+import bisect
+import sys
+
+HAYSTACK = [1,4,5,6,8,12,15,20,21,23,23,26,29,30]
+NEEDLES = [0,1,2,5,8,10,22,23,29,30,31]
+
+ROW_FMT='{0:2d} @ {1:2d}     {2}{0:<2d}'
+
+def demo(bisect_fn):
+    for needle in reversed(NEEDLES):
+        position=bisect_fn(HAYSTACK,needle)
+        offset=position * '   |'
+        print(ROW_FMT.format(needle,position,offset))
+
+if __name__=='__main__':
+    if sys.argv[-1]=='left':
+        # Return the index where to insert item x in list a, assuming a is sorted.
+        bisect_fn=bisect.bisect_left
+    else:
+        bisect_fn = bisect.bisect
+    print('DEMO',bisect_fn.__name__)
+    print('haystack  -> ','  '.join('%2d' % n for n in HAYSTACK))
+    demo(bisect_fn)
\ No newline at end of file
diff --git "a/\345\211\215\345\207\240\347\253\240/\350\277\233\347\250\213\346\224\271\345\206\231run.py" "b/\345\211\215\345\207\240\347\253\240/\350\277\233\347\250\213\346\224\271\345\206\231run.py"
new file mode 100644
index 0000000..9c59d4f
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/\350\277\233\347\250\213\346\224\271\345\206\231run.py"
@@ -0,0 +1,24 @@
+# encoding:utf-8
+from multiprocessing import Process
+import os, time, random
+
+
+def r():
+    print('run method')
+
+
+if __name__ == "__main__":
+    print("main process run...")
+    # 没有指定Process的target
+    p1 = Process()
+    p2 = Process()
+    # 如果在创建Process时不指定target，那么执行时没有任何效果。因为默认的run方法是判断如果不指定target，那就什么都不做
+    # 所以这里手动改变了run方法
+    p1.run = r
+    p2.run = r
+
+    p1.start()
+    p2.start()
+    p1.join()
+    p2.join()
+    print("main process runned all lines...")
\ No newline at end of file
diff --git "a/\345\211\215\345\207\240\347\253\240/\350\277\233\347\250\213\346\227\240join.py" "b/\345\211\215\345\207\240\347\253\240/\350\277\233\347\250\213\346\227\240join.py"
new file mode 100644
index 0000000..bf44b98
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/\350\277\233\347\250\213\346\227\240join.py"
@@ -0,0 +1,23 @@
+from multiprocessing import Process
+import os, time, random
+
+def r1(process_name):
+    for i in range(5):
+        print(process_name, os.getpid())     #打印出当前进程的id
+        time.sleep(random.random())
+
+def r2(process_name):
+    for i in range(5):
+        print(process_name, os.getpid())    #打印出当前进程的id
+        time.sleep(random.random())
+
+if __name__ == "__main__":
+        print("main process run...")
+        p1 = Process(target=r1, args=('process_name1', ))
+        p2 = Process(target=r2, args=('process_name2', ))
+
+        p1.start()
+        p2.start()
+        #p1.join()
+        #p2.join()
+        print("main process runned all lines...")
\ No newline at end of file
diff --git "a/\345\211\215\345\207\240\347\253\240/\350\277\233\347\250\213\346\227\240join2.py" "b/\345\211\215\345\207\240\347\253\240/\350\277\233\347\250\213\346\227\240join2.py"
new file mode 100644
index 0000000..63b36a3
--- /dev/null
+++ "b/\345\211\215\345\207\240\347\253\240/\350\277\233\347\250\213\346\227\240join2.py"
@@ -0,0 +1,24 @@
+from multiprocessing import Process
+import os, time, random
+
+def r1(process_name):
+    for i in range(5):
+        print(process_name, os.getpid())     # 打印出当前进程的id
+        time.sleep(random.random())
+
+def r2(process_name):
+    for i in range(5):
+        print(process_name, os.getpid())    # 打印出当前进程的id
+        time.sleep(random.random()*2)
+
+if __name__ == "__main__":
+        print("main process run...")
+        p1 = Process(target=r1, args=('process_name1', ))
+        p2 = Process(target=r2, args=('process_name2', ))
+
+        p1.start()
+        p2.start()
+        # p1 这个进程结束后便调用主进程
+        p1.join()
+        #p2.join()
+        print("main process runned all lines...")
\ No newline at end of file
diff --git "a/\347\224\273\345\233\276/test1.py" "b/\347\224\273\345\233\276/test1.py"
new file mode 100644
index 0000000..ffb9736
--- /dev/null
+++ "b/\347\224\273\345\233\276/test1.py"
@@ -0,0 +1,10 @@
+import turtle as t
+import time
+t.color("red", "yellow")
+t.speed(10)
+t.begin_fill()
+for _ in range(50):
+    t.forward(200)
+    t.left(170)
+
+time.sleep(1)
\ No newline at end of file
diff --git "a/\347\224\273\345\233\276/test2.py" "b/\347\224\273\345\233\276/test2.py"
new file mode 100644
index 0000000..0ccd935
--- /dev/null
+++ "b/\347\224\273\345\233\276/test2.py"
@@ -0,0 +1,17 @@
+import turtle
+
+def drawSnake(rad, angle, len, neckrad):
+    for _ in range(len):
+        turtle.circle(rad, angle)
+        turtle.circle(-rad, angle)
+    turtle.circle(rad, angle/2)
+    turtle.forward(rad/2)  # 直线前进
+    turtle.circle(neckrad, 180)
+    turtle.forward(rad/4)
+
+if __name__ == "__main__":
+   turtle.setup(1500, 1400, 0, 0)
+   turtle.pensize(30)  # 画笔尺寸
+   turtle.pencolor("green")
+   turtle.seth(-40)    # 前进的方向
+   drawSnake(70, 80, 2, 15)
\ No newline at end of file
diff --git "a/\347\224\273\345\233\276/test3.py" "b/\347\224\273\345\233\276/test3.py"
new file mode 100644
index 0000000..fafb769
--- /dev/null
+++ "b/\347\224\273\345\233\276/test3.py"
@@ -0,0 +1,20 @@
+import turtle
+import time
+
+turtle.pensize(5)
+turtle.pencolor("yellow")
+turtle.fillcolor("red")
+
+turtle.begin_fill()
+
+for _ in range(5):
+    turtle.forward(200)
+    turtle.right(144)
+turtle.end_fill()
+time.sleep(2)
+
+turtle.penup()
+turtle.goto(-150, -120)
+turtle.color("violet")
+turtle.write("Done", font=('Arial', 40, 'normal'))
+time.sleep(1)
\ No newline at end of file
diff --git "a/\347\224\273\345\233\276/test4.py" "b/\347\224\273\345\233\276/test4.py"
new file mode 100644
index 0000000..86e240d
--- /dev/null
+++ "b/\347\224\273\345\233\276/test4.py"
@@ -0,0 +1,59 @@
+import turtle
+import time
+def main():
+    turtle.pensize(3)
+    turtle.penup()
+    turtle.goto(-200,-50)
+    turtle.pendown()
+    turtle.begin_fill()
+    turtle.color("red")
+    turtle.circle(40, steps=3)
+    turtle.end_fill()
+
+
+    turtle.penup()
+    turtle.goto(-100,-50)
+    turtle.pendown()
+    turtle.begin_fill()
+    turtle.color("blue")
+    turtle.circle(40, steps=4)
+    turtle.end_fill()
+
+    turtle.penup()
+    turtle.goto(0,-50)
+    turtle.pendown()
+    turtle.begin_fill()
+    turtle.color("green")
+    turtle.circle(40, steps=5)
+    turtle.end_fill()
+
+    turtle.penup()
+    turtle.goto(100,-50)
+    turtle.pendown()
+    turtle.begin_fill()
+    turtle.color("yellow")
+    turtle.circle(40, steps=6)
+    turtle.end_fill()
+
+    turtle.penup()
+    turtle.goto(200,-50)
+    turtle.pendown()
+    turtle.begin_fill()
+    turtle.color("purple")
+    turtle.circle(40)
+    turtle.end_fill()
+
+    turtle.color("green")
+    turtle.penup()
+    turtle.goto(-100,50)
+    turtle.pendown()
+    turtle.write(("Cool Colorful shapes"),
+        font = ("Times", 18, "bold"))
+    turtle.hideturtle()
+
+    turtle.done
+
+if __name__ == '__main__':
+    main()
+    x=input('please input...')
+    print(x)
\ No newline at end of file
diff --git "a/\347\224\273\345\233\276/\347\211\271\350\211\262\345\233\276.py" "b/\347\224\273\345\233\276/\347\211\271\350\211\262\345\233\276.py"
new file mode 100644
index 0000000..0588e96
--- /dev/null
+++ "b/\347\224\273\345\233\276/\347\211\271\350\211\262\345\233\276.py"
@@ -0,0 +1,7 @@
+import turtle
+
+t=turtle.Pen()
+
+for x in range(100):
+    t.forward(x)
+    t.left(91)
\ No newline at end of file
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-14\350\256\241\347\256\227\347\247\273\345\212\250\345\271\263\345\235\207\345\200\274nonlocal.py" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-14\350\256\241\347\256\227\347\247\273\345\212\250\345\271\263\345\235\207\345\200\274nonlocal.py"
new file mode 100644
index 0000000..34df941
--- /dev/null
+++ "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-14\350\256\241\347\256\227\347\247\273\345\212\250\345\271\263\345\235\207\345\200\274nonlocal.py"
@@ -0,0 +1,24 @@
+def make_averager():
+    count = 0
+    total = 0
+
+    def averager(new_value):
+        # nonlocal 声明该变量不是局部变量
+        nonlocal count,total
+        count += 1
+        total += new_value
+        return total/count
+
+    return averager
+
+if __name__=="__main__":
+    # 返回值是一个  函数对象
+    print(make_averager)
+    avg = make_averager()
+    print(avg)
+    print(avg(10))
+    print(avg(11))
+    print(avg(12))
+    print(' avg name = ',avg.__name__)
+    print('avg 的局部变量 = ',avg.__code__.co_varnames)
+    print('avg 的自由变量 = ',avg.__code__.co_freevars)
\ No newline at end of file
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-15\344\270\200\344\270\252\347\256\200\345\215\225\347\232\204\350\243\205\351\245\260\345\231\250\350\276\223\345\207\272\345\207\275\346\225\260\347\232\204\350\277\220\350\241\214\346\227\266\351\227\264.py" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-15\344\270\200\344\270\252\347\256\200\345\215\225\347\232\204\350\243\205\351\245\260\345\231\250\350\276\223\345\207\272\345\207\275\346\225\260\347\232\204\350\277\220\350\241\214\346\227\266\351\227\264.py"
new file mode 100644
index 0000000..b705887
--- /dev/null
+++ "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-15\344\270\200\344\270\252\347\256\200\345\215\225\347\232\204\350\243\205\351\245\260\345\231\250\350\276\223\345\207\272\345\207\275\346\225\260\347\232\204\350\277\220\350\241\214\346\227\266\351\227\264.py"
@@ -0,0 +1,41 @@
+# 装饰器不支持关键字参数
+
+import time
+
+# 装饰器clock 获得函数名 func
+def clock(func):
+    print('被装饰函数地址 = ', func)
+
+    # 函数 clocked 获得定位参数
+    def clocked(*args):
+        t0 = time.perf_counter()
+        # func 得到被装饰函数的地址
+        result = func(*args)
+        elapsed = time.perf_counter() - t0
+        name = func.__name__
+        # 将传入的定位参数 显示出来
+        arg_str = ','.join(repr(arg) for arg in args)
+        print('[%0.8fs] %s(%s) -> %r' % (elapsed, name, arg_str, result))
+        return result
+    return clocked
+
+@clock
+def snooze(seconds):
+    time.sleep(seconds)
+
+# @clock
+# def factorial(n):
+#     return 1 if n < 2 else n*factorial(n-1)
+
+def factorial(n):
+    return 1 if n < 2 else n*factorial(n-1)
+# 等价使用装饰器
+factorial = clock(factorial)
+
+
+if __name__=="__main__":
+    print('*' * 40, 'Calling snooze(.123)')
+    snooze(.123)
+    print('*' * 40, 'Calling factorial(6)')
+    print('6! = ', factorial(6))
+    print('\nfactorial.name = ', factorial.__name__)
\ No newline at end of file
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-17\346\224\271\350\277\233\345\220\216\347\232\204clock\350\243\205\351\245\260\345\231\250.py" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-17\346\224\271\350\277\233\345\220\216\347\232\204clock\350\243\205\351\245\260\345\231\250.py"
new file mode 100644
index 0000000..a9d4b35
--- /dev/null
+++ "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-17\346\224\271\350\277\233\345\220\216\347\232\204clock\350\243\205\351\245\260\345\231\250.py"
@@ -0,0 +1,36 @@
+import time
+import functools
+
+# 装饰器 获得 函数名称 func
+def clock(func):
+    @functools.wraps(func)
+    # 可以保证装饰器不会对被装饰函数造成影响 即 __name__ 不被改变
+    # clocked 函数 获得定位参数 以及 关键字参数
+    def clocked(*args, **kwargs):
+        t0 = time.time()
+        # 【1】获得原函数的 返回值
+        result = func(*args, **kwargs)
+        # 【2】计算函数运算的时间
+        elapsed = time.time() - t0
+        name = func.__name__
+        arg_lst = []
+        if args:
+            # repr 函数将对象转化为供解释器读取的形式。
+            arg_lst.append(', '.join(repr(arg) for arg in args))
+        if kwargs:
+            # 关键字参数
+            pairs =['%s=%r' % (k,w) for k,w in sorted(kwargs.items())]
+            arg_lst.append(', '.join(pairs))
+        arg_str = ', '.join(arg_lst)
+        print('[%0.8fs] %s(%s) -> %r '%(elapsed,name,arg_str,result))
+        return result
+    return clocked
+
+@clock
+def snooze(seconds):
+    time.sleep(seconds)
+
+if __name__=="__main__":
+    print('*' * 40, 'Calling snooze(.123)')
+    snooze(.123)
+    print(snooze.__name__)
\ No newline at end of file
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-18\344\275\277\347\224\250lru_cache\345\201\232\345\244\207\345\277\230.py" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-18\344\275\277\347\224\250lru_cache\345\201\232\345\244\207\345\277\230.py"
new file mode 100644
index 0000000..4f706c2
--- /dev/null
+++ "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-18\344\275\277\347\224\250lru_cache\345\201\232\345\244\207\345\277\230.py"
@@ -0,0 +1,11 @@
+from 第7章函数装饰器和闭包.clockdemo import clock
+
+@clock
+def fibonacci(n):
+    if n < 2:
+        return n
+    return fibonacci(n-2)+fibonacci(n-1)
+
+if __name__=="__main__":
+    print(fibonacci(6))
+    print(fibonacci.__name__)
\ No newline at end of file
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-19\344\275\277\347\224\250\347\274\223\345\255\230\345\256\236\347\216\260.py" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-19\344\275\277\347\224\250\347\274\223\345\255\230\345\256\236\347\216\260.py"
new file mode 100644
index 0000000..2c30241
--- /dev/null
+++ "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-19\344\275\277\347\224\250\347\274\223\345\255\230\345\256\236\347\216\260.py"
@@ -0,0 +1,15 @@
+import functools
+from 第7章函数装饰器和闭包.clockdemo import clock
+
+# 使用缓存实现，可以极大地缩短递归调用的时间
+# lru_cache 参数必须为可散列的（hash）(不可更改)
+@functools.lru_cache()
+@clock
+def fibonacci(n):
+    if n < 2:
+        return n
+    return fibonacci(n-2) + fibonacci(n-1)
+
+if __name__=="__main__":
+    print(fibonacci(30))
+    print(fibonacci.__name__)
\ No newline at end of file
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-1\350\243\205\351\245\260\345\231\250\345\237\272\347\241\200.py" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-1\350\243\205\351\245\260\345\231\250\345\237\272\347\241\200.py"
new file mode 100644
index 0000000..bbc29a6
--- /dev/null
+++ "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-1\350\243\205\351\245\260\345\231\250\345\237\272\347\241\200.py"
@@ -0,0 +1,15 @@
+# 简单的装饰器基础
+# 该装饰器直接获得函数名称 func， 并将函数改变为 inner()
+def deco(func):
+    def inner():
+        print('running inner()')
+    # 返回一个新的函数
+    return inner
+
+# 语法糖
+@deco
+def target():
+    print('running target()')
+
+if __name__=="__main__":
+    target()
\ No newline at end of file
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-21singledispatch\345\215\225\345\210\206\346\264\276\346\263\233\345\207\275\346\225\260.py" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-21singledispatch\345\215\225\345\210\206\346\264\276\346\263\233\345\207\275\346\225\260.py"
new file mode 100644
index 0000000..6384b95
--- /dev/null
+++ "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-21singledispatch\345\215\225\345\210\206\346\264\276\346\263\233\345\207\275\346\225\260.py"
@@ -0,0 +1,33 @@
+import html
+import numbers
+from collections import abc
+from functools import singledispatch
+
+# 支持模块化扩展，各个模块可以为它支持的各个类型注册一个专门函数
+@singledispatch
+def htmlize(obj):
+    content = html.escape(repr(obj))
+    return '<pre>{}</pre>'.format(content)
+
+@htmlize.register(str)
+def _(text):
+    content=html.escape(text).replace('\n','<br>\n')
+    return '<p>{0}</p>'.format(content)
+
+@htmlize.register(numbers.Integral)
+def _(n):
+    return '<pre>{0} (0x{0:x})</pre>'.format(n)
+
+@htmlize.register(tuple)
+@htmlize.register(abc.MutableSequence)
+def _(seq):
+    inner = '<li>\n<li>'.join(htmlize(item) for item in seq)
+    return '<ul>\n<li>'+inner + '</li>\n</ul>'
+
+
+if __name__=="__main__":
+    print(htmlize(25))
+    # 将 十进制 显示为 十六进制
+    print('{0:x}'.format(25))
+    print(htmlize('wanjun'))
+    print(htmlize((1,'wanjun',3)))
\ No newline at end of file
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-23\346\216\245\345\217\227\345\217\202\346\225\260\347\232\204\350\243\205\351\245\260\345\231\250.py" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-23\346\216\245\345\217\227\345\217\202\346\225\260\347\232\204\350\243\205\351\245\260\345\231\250.py"
new file mode 100644
index 0000000..6518086
--- /dev/null
+++ "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-23\346\216\245\345\217\227\345\217\202\346\225\260\347\232\204\350\243\205\351\245\260\345\231\250.py"
@@ -0,0 +1,39 @@
+registry = set()
+
+def register(active = True):
+    # 闭包
+    # decorate 接收 函数名称
+    def decorate(func):
+        print('running register(active=%s) -> decorate(%s)' % (active, func))
+        if active:
+            registry.add(func)
+        else:
+            # Remove an element from a set if it is a member.
+            registry.discard(func)
+        return func
+    # 返回真正的 装饰器函数
+    return decorate
+
+# @register 工厂函数必须作为函数调用
+@register(active = False)
+def f1():
+    print('running f1()')
+
+# 默认为 True
+@register()
+def f2():
+    print('running f2()')
+
+def f3():
+    print('running f3()')
+
+if __name__ == "__main__":
+    print('running main()')
+    print('registry = ', registry)
+    f1()
+    # register() == decorate
+    register()(f3)
+    print('registry = ', registry)
+    register(active=False)(f2)
+    print('删除 f2 函数后')
+    print('registry = ', registry)
\ No newline at end of file
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-26clockdeco_param_demo.py" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-26clockdeco_param_demo.py"
new file mode 100644
index 0000000..9ac8dd3
--- /dev/null
+++ "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-26clockdeco_param_demo.py"
@@ -0,0 +1,11 @@
+import time
+from 第7章函数装饰器和闭包.clockdeco_param import clock
+
+# 装饰器中 参数为 输出格式
+@clock('{name}: {elapsed}s')
+def snooze(seconds):
+    time.sleep(seconds)
+
+if __name__=="__main__":
+    for _ in range(3):
+        snooze(0.123)
\ No newline at end of file
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-27clockdeco_param_demo2.py" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-27clockdeco_param_demo2.py"
new file mode 100644
index 0000000..b07cb4f
--- /dev/null
+++ "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-27clockdeco_param_demo2.py"
@@ -0,0 +1,11 @@
+import time
+from 第7章函数装饰器和闭包.clockdeco_param import clock
+
+# 装饰器中 参数为 输出格式
+@clock('{name}({args}): dt={elapsed:0.3f}s')
+def snooze(seconds):
+    time.sleep(seconds)
+
+if __name__=="__main__":
+    for _ in range(3):
+        snooze(0.123)
\ No newline at end of file
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-2Python\344\275\225\346\227\266\346\211\247\350\241\214\350\243\205\351\245\260\345\231\250.py" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-2Python\344\275\225\346\227\266\346\211\247\350\241\214\350\243\205\351\245\260\345\231\250.py"
new file mode 100644
index 0000000..3dc7ef4
--- /dev/null
+++ "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-2Python\344\275\225\346\227\266\346\211\247\350\241\214\350\243\205\351\245\260\345\231\250.py"
@@ -0,0 +1,31 @@
+registry = []
+
+# 装饰器直接获得函数 func
+# 将函数名称添加后返回
+def register(func):
+    print('running register(%s)'% func)
+    registry.append(func)
+    # 列表中可以保存  函数类型的元素
+    return func
+
+@register
+def f1():
+    print('running f1')
+
+@register
+def f2():
+    print('running f2')
+
+def f3():
+    print('running f3')
+
+def main():
+    print('\n在执行 main() 函数之前就已经执行了装饰器 ')
+    print('running main()')
+    print('registry -> ',registry)
+    f1()
+    f2()
+    f3()
+
+if __name__=="__main__":
+    main()
\ No newline at end of file
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-3\344\275\277\347\224\250\350\243\205\351\245\260\345\231\250\346\224\271\350\277\233\347\255\226\347\225\245\346\250\241\345\274\217.py" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-3\344\275\277\347\224\250\350\243\205\351\245\260\345\231\250\346\224\271\350\277\233\347\255\226\347\225\245\346\250\241\345\274\217.py"
new file mode 100644
index 0000000..75ed1ba
--- /dev/null
+++ "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-3\344\275\277\347\224\250\350\243\205\351\245\260\345\231\250\346\224\271\350\277\233\347\255\226\347\225\245\346\250\241\345\274\217.py"
@@ -0,0 +1,30 @@
+promos=[]
+
+def promotion(promo_func):
+    # 保存到全局变量 promos 中
+    promos.append(promo_func)
+    return promo_func
+
+@promotion
+def fidelity(order):
+    return order.total() * 0.05 if order.customer.fidelity >= 1000 else 0
+
+@promotion
+def BulkItem_promo(order):
+    """单个商品为20个或以上时提供10%折扣"""
+    discount = 0
+    for item in order.cart:
+        if item.quantity >= 20:
+            discount += item.total() * .1
+    return discount
+
+@promotion
+def LargeOrder_promo(order):
+    """订单中的不同商品达到10个或以上时提供7%折扣"""
+    discount_items = {item.product for item in order.cart}
+    if len(discount_items) >= 10:
+        return order.total() * .07
+    return 0
+
+def best_promo(order):
+    return max(promo(order) for promo in promos)
\ No newline at end of file
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-4\345\217\230\351\207\217\344\275\234\347\224\250\345\237\237\350\247\204\345\210\231.py" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-4\345\217\230\351\207\217\344\275\234\347\224\250\345\237\237\350\247\204\345\210\231.py"
new file mode 100644
index 0000000..e16291c
--- /dev/null
+++ "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-4\345\217\230\351\207\217\344\275\234\347\224\250\345\237\237\350\247\204\345\210\231.py"
@@ -0,0 +1,12 @@
+b=6
+
+def f2(a):
+    # 声明变量 b 为全局变量
+    global b
+    print(a)
+    print(b)
+    # 如果不声明变量b，在函数中赋值默认为局部变量
+    b = 3
+print('b = ',b)
+f2(2)
+print('b = ',b)
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-8\350\256\241\347\256\227\347\247\273\345\212\250\345\271\263\345\235\207\345\200\274\347\232\204\347\261\273.py" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-8\350\256\241\347\256\227\347\247\273\345\212\250\345\271\263\345\235\207\345\200\274\347\232\204\347\261\273.py"
new file mode 100644
index 0000000..2d31cb3
--- /dev/null
+++ "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-8\350\256\241\347\256\227\347\247\273\345\212\250\345\271\263\345\235\207\345\200\274\347\232\204\347\261\273.py"
@@ -0,0 +1,15 @@
+class Averager():
+
+    def __init__(self):
+        self.series=[]
+
+    def __call__(self, new_value):
+        self.series.append(new_value)
+        total = sum(self.series)
+        return total/len(self.series)
+
+if __name__=="__main__":
+    avg=Averager()
+    print(avg(10))
+    print(avg(11))
+    print(avg(12))
\ No newline at end of file
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-9\350\256\241\347\256\227\347\247\273\345\212\250\345\271\263\345\235\207\345\200\274\347\232\204\351\253\230\351\230\266\345\207\275\346\225\260.py" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-9\350\256\241\347\256\227\347\247\273\345\212\250\345\271\263\345\235\207\345\200\274\347\232\204\351\253\230\351\230\266\345\207\275\346\225\260.py"
new file mode 100644
index 0000000..e139eb6
--- /dev/null
+++ "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/7-9\350\256\241\347\256\227\347\247\273\345\212\250\345\271\263\345\235\207\345\200\274\347\232\204\351\253\230\351\230\266\345\207\275\346\225\260.py"
@@ -0,0 +1,27 @@
+# 调用该函数，返回一个在该函数中声明的 闭包函数
+def make_averager():
+    # ================闭包======================
+    # ==========================================
+    # 是 make_averager 函数的局部变量
+    series = []
+
+    def averager(new_value):
+        # series 是自由变量 free variable
+        series.append(new_value)
+        total = sum(series)
+        return total/len(series)
+    # =========================================
+
+    return averager
+
+if __name__=="__main__":
+    # 返回值是一个  函数对象
+    print(make_averager)
+    avg = make_averager()
+    print(avg)
+    print(avg(10))
+    print(avg(11))
+    print(avg(12))
+
+    print('avg 的局部变量 = ',avg.__code__.co_varnames)
+    print('avg 的自由变量 = ',avg.__code__.co_freevars)
\ No newline at end of file
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/__pycache__/clockdeco_param.cpython-36.pyc" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/__pycache__/clockdeco_param.cpython-36.pyc"
new file mode 100644
index 0000000..2e7c5ec
Binary files /dev/null and "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/__pycache__/clockdeco_param.cpython-36.pyc" differ
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/__pycache__/clockdemo.cpython-36.pyc" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/__pycache__/clockdemo.cpython-36.pyc"
new file mode 100644
index 0000000..f97948d
Binary files /dev/null and "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/__pycache__/clockdemo.cpython-36.pyc" differ
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/clockdeco_param.py" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/clockdeco_param.py"
new file mode 100644
index 0000000..06b05db
--- /dev/null
+++ "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/clockdeco_param.py"
@@ -0,0 +1,40 @@
+import time
+
+DEFAULT_FMT = '[{elapsed:0.8f}s] {name}({args}) -> {result}'
+
+# 参数化 clock 装饰器
+def clock(fmt = DEFAULT_FMT):
+
+    # 该闭包 获得函数名 func
+    def decorate(func):
+        # print('获得的 func = ',func)
+
+        # 该闭包获得定位参数 *_args
+        def clocked(*_args):
+            # print('获得的 *args = ', _args)
+            # 【1】计算时间
+            t0 = time.time()
+            # 【2】得出原来函数的结果
+            _result = func(*_args)
+            # 【3】得出运行该函数的时间
+            elapsed = time.time() - t0
+            # 【4】得到函数名称
+            name = func.__name__
+            # 【5】重新获得参数列表（转换为string）
+            args = ', '.join(repr(arg) for arg in _args)
+            # 【6】结果转换为 repr
+            result = repr(_result)
+            print(fmt.format(**locals()))
+            # 最终返回的是这个 _result
+            return _result
+
+        return clocked
+    return decorate
+
+if __name__ == "__main__":
+    @clock()
+    def snooze(seconds):
+        time.sleep(seconds)
+
+    for i in range(3):
+        snooze(0.123)
\ No newline at end of file
diff --git "a/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/clockdemo.py" "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/clockdemo.py"
new file mode 100644
index 0000000..dc1d824
--- /dev/null
+++ "b/\347\254\2547\347\253\240\345\207\275\346\225\260\350\243\205\351\245\260\345\231\250\345\222\214\351\227\255\345\214\205/clockdemo.py"
@@ -0,0 +1,23 @@
+import time
+import functools
+
+def clock(func):
+    @functools.wraps(func)
+    # 可以保证装饰器不会对被装饰函数造成影响 即 __name__ 不被改变,可以使用关键字参数
+    def clocked(*args, **kwargs):
+        t0 = time.time()
+        result = func(*args, **kwargs)
+        elapsed = time.time() - t0
+        name = func.__name__
+        arg_lst = []
+        if args:
+            # repr 函数将对象转化为供解释器读取的形式。
+            arg_lst.append(', '.join(repr(arg) for arg in args))
+        if kwargs:
+            # 关键字参数
+            pairs =['%s=%r' % (k,w) for k,w in sorted(kwargs.items())]
+            arg_lst.append(', '.join(pairs))
+        arg_str = ', '.join(arg_lst)
+        print('[%0.8fs] %s(%s) -> %r '%(elapsed,name,arg_str,result))
+        return result
+    return clocked
\ No newline at end of file
diff --git "a/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-10\345\276\252\347\216\257\345\274\225\347\224\250.py" "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-10\345\276\252\347\216\257\345\274\225\347\224\250.py"
new file mode 100644
index 0000000..6124359
--- /dev/null
+++ "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-10\345\276\252\347\216\257\345\274\225\347\224\250.py"
@@ -0,0 +1,9 @@
+a=[10,20]
+b=[a,30]
+
+a.append(b)
+print(a)
+
+from copy import deepcopy
+c=deepcopy(a)
+print(c)
\ No newline at end of file
diff --git "a/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-11\345\207\275\346\225\260\345\217\257\350\203\275\344\274\232\344\277\256\346\224\271\346\216\245\346\224\266\345\210\260\347\232\204\344\273\273\344\275\225\345\217\257\345\217\230\345\257\271\350\261\241.py" "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-11\345\207\275\346\225\260\345\217\257\350\203\275\344\274\232\344\277\256\346\224\271\346\216\245\346\224\266\345\210\260\347\232\204\344\273\273\344\275\225\345\217\257\345\217\230\345\257\271\350\261\241.py"
new file mode 100644
index 0000000..9a56ca1
--- /dev/null
+++ "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-11\345\207\275\346\225\260\345\217\257\350\203\275\344\274\232\344\277\256\346\224\271\346\216\245\346\224\266\345\210\260\347\232\204\344\273\273\344\275\225\345\217\257\345\217\230\345\257\271\350\261\241.py"
@@ -0,0 +1,20 @@
+def f(a,b):
+    a += b
+    return a
+
+x=1
+y=2
+# 此时参数传入的是 不可变类型
+f(x,y)
+print(x)
+
+a = [1, 2]
+b = [3, 4]
+f(a,b)
+print(a)
+
+t=(10,20)
+u=(30,40)
+# 传入参数为 tuple 不可变序列时，相加会得到一个新的 tuple
+f(t,u)
+print(t,u)
\ No newline at end of file
diff --git "a/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-12.py" "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-12.py"
new file mode 100644
index 0000000..18cb829
--- /dev/null
+++ "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-12.py"
@@ -0,0 +1,32 @@
+class HauntedBus:
+
+    def __init__(self, passengers=[]):
+        self.passengers = passengers
+
+    def pick(self,name):
+        self.passengers.append(name)
+
+    def drop(self,name):
+        self.passengers.remove(name)
+
+
+if __name__=="__main__":
+    # bus1 使用新建的 passengers
+    bus1 = HauntedBus(['alice','bill'])
+    print(bus1.passengers)
+    bus1.pick('charlie')
+    bus1.drop('alice')
+    print(bus1.passengers)
+
+    # bus2 使用默认的 passengers
+    bus2=HauntedBus()
+    bus2.pick('carrie')
+    print(bus2.passengers)
+
+    # bus3 使用默认的 passengers
+    bus3=HauntedBus()
+    print('bus3 ',bus3.passengers)
+    bus3.pick('Dave')
+    print('bus2 ',bus2.passengers)
+    print(bus2.passengers is bus3.passengers)
+    print(bus1.passengers)
\ No newline at end of file
diff --git "a/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-15TwilightBus.py" "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-15TwilightBus.py"
new file mode 100644
index 0000000..a2444a9
--- /dev/null
+++ "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-15TwilightBus.py"
@@ -0,0 +1,25 @@
+class TwilightBus:
+    def __init__(self, passengers):
+        if passengers is None:
+            self.passengers = []
+        else:
+            # 使用传入参数的引用
+            # self.passengers=passengers
+
+            # 使用构造函数 浅复制
+            self.passengers = list(passengers)
+
+    def pick(self, name):
+        self.passengers.append(name)
+
+    def drop(self, name):
+        self.passengers.remove(name)
+
+if __name__=="__main__":
+    basketball_team = ['sue', 'tina', 'maya', 'diana', 'pat']
+    bus = TwilightBus(basketball_team)
+    print(bus.passengers)
+    bus.drop('sue')
+    bus.drop('tina')
+    print(bus.passengers)
+    print(basketball_team)
\ No newline at end of file
diff --git "a/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-16\347\233\221\350\247\206\345\257\271\350\261\241\347\224\237\345\221\275\347\273\223\346\235\237.py" "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-16\347\233\221\350\247\206\345\257\271\350\261\241\347\224\237\345\221\275\347\273\223\346\235\237.py"
new file mode 100644
index 0000000..3d7413e
--- /dev/null
+++ "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-16\347\233\221\350\247\206\345\257\271\350\261\241\347\224\237\345\221\275\347\273\223\346\235\237.py"
@@ -0,0 +1,18 @@
+import weakref
+
+s1={1,2,3}
+s2=s1
+
+def bye():
+    print('Gone  with  the  wind...')
+
+# 在s1 引用的对象上注册 bye 回调
+ender = weakref.finalize(s1,bye)
+print(ender.alive)
+del s1
+print(ender.alive)
+print('s2 id = ',id(s2))
+s2 = 'spam'
+print('s2 被重新赋值后')
+print('s2 id = ',id(s2))
+print(ender.alive)
\ No newline at end of file
diff --git "a/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-17\345\274\261\345\274\225\347\224\250.py" "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-17\345\274\261\345\274\225\347\224\250.py"
new file mode 100644
index 0000000..d867a06
--- /dev/null
+++ "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-17\345\274\261\345\274\225\347\224\250.py"
@@ -0,0 +1,14 @@
+import weakref
+
+a_set = {0, 1}
+# 声明一个弱引用 指向 s_set
+wref = weakref.ref(a_set)
+# 返回该弱引用
+print(wref)
+
+# 返回被引用的对象
+print(wref())
+
+# 重新赋值 a_set
+a_set = {2, 3, 4}
+print(wref())
\ No newline at end of file
diff --git "a/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-18WeakValueDictionary.py" "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-18WeakValueDictionary.py"
new file mode 100644
index 0000000..1b0cc3e
--- /dev/null
+++ "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-18WeakValueDictionary.py"
@@ -0,0 +1,35 @@
+class Cheese:
+
+    def __init__(self, kind):
+        self.kind = kind
+
+    def __repr__(self):
+        return 'Cheese(%r) ' % self.kind
+
+import weakref
+
+# 创建一个 弱值字典
+stock = weakref.WeakValueDictionary()
+catalog = [Cheese('Red Leicester'), Cheese('Tilsit'), Cheese('Brie'), Cheese('Parmesan')]
+
+for cheese in catalog:
+    # 为 弱值字典 添加 键值对
+    # stock 把奶酪的名称映射到 catalog 中 Cheese 实例的弱引用上
+    # name - - - - - > Cheese 实例
+    stock[cheese.kind] = cheese
+
+print(sorted(stock.keys()))
+
+# 删除列表
+del catalog
+
+# 此时全局变量 cheese 依然指向 Parmesan
+print(sorted(stock.keys()))
+
+# cheese 是全局变量
+print('依旧保留', cheese)
+
+# 删除全局变量
+del cheese
+print('删除后...')
+print(sorted(stock.keys()))
\ No newline at end of file
diff --git "a/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-20\345\205\203\347\273\204.py" "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-20\345\205\203\347\273\204.py"
new file mode 100644
index 0000000..9eb2bca
--- /dev/null
+++ "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-20\345\205\203\347\273\204.py"
@@ -0,0 +1,19 @@
+print('针对tuple')
+t1 = (1, 2, 3)
+t2 = tuple(t1)
+
+print(t2 is t1)
+
+t3 = t1[:]
+print(t3 is t1)
+
+
+print('\n针对列表来说')
+l1 = [1, 2, 3]
+
+l3=l1.copy()
+print(id(l1))
+print(id(l3))
+l2 = list(l1)
+print(l1 is l2)
+print(l3 is l1)
\ No newline at end of file
diff --git "a/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-2\345\210\233\345\273\272\345\257\271\350\261\241\344\271\213\345\220\216\346\211\215\344\274\232\346\212\212\345\217\230\351\207\217\345\210\206\351\205\215\347\273\231\345\257\271\350\261\241.py" "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-2\345\210\233\345\273\272\345\257\271\350\261\241\344\271\213\345\220\216\346\211\215\344\274\232\346\212\212\345\217\230\351\207\217\345\210\206\351\205\215\347\273\231\345\257\271\350\261\241.py"
new file mode 100644
index 0000000..eee02c4
--- /dev/null
+++ "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-2\345\210\233\345\273\272\345\257\271\350\261\241\344\271\213\345\220\216\346\211\215\344\274\232\346\212\212\345\217\230\351\207\217\345\210\206\351\205\215\347\273\231\345\257\271\350\261\241.py"
@@ -0,0 +1,9 @@
+class Gizmo:
+    def __init__(self):
+        print('Gizmo id : %d ' % id(self))
+
+x = Gizmo()
+# 证明 右式先创建对象
+# dir() 函数不带参数时，返回当前范围内的变量、方法和定义的类型列表；带参数时，返回参数的属性、方法列表。
+# 如果参数包含方法__dir__()，该方法将被调用。如果参数不包含__dir__()，该方法将最大限度地收集参数信息。
+print(dir())
\ No newline at end of file
diff --git "a/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-3\346\240\207\350\257\206\347\233\270\347\255\211\346\200\247\345\222\214\345\210\253\345\220\215.py" "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-3\346\240\207\350\257\206\347\233\270\347\255\211\346\200\247\345\222\214\345\210\253\345\220\215.py"
new file mode 100644
index 0000000..183561a
--- /dev/null
+++ "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-3\346\240\207\350\257\206\347\233\270\347\255\211\346\200\247\345\222\214\345\210\253\345\220\215.py"
@@ -0,0 +1,17 @@
+charles = {'name':'charles L.Dodgson','born':1832}
+# lewis 是 charles 的别名
+lewis = charles
+print(lewis is charles)
+print(id(lewis),id(charles))
+print(lewis)
+print(charles)
+
+# lewis['newattr']='wanjun'
+# print(lewis)
+# print(charles)
+
+alex = {'name':'charles L.Dodgson','born':1832}
+print(lewis == alex)
+print(charles == alex)
+print('是否是不同的对象')
+print(lewis is not alex)
\ No newline at end of file
diff --git "a/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-3\351\273\230\350\256\244\345\201\232\346\265\205\350\265\213\345\200\274.py" "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-3\351\273\230\350\256\244\345\201\232\346\265\205\350\265\213\345\200\274.py"
new file mode 100644
index 0000000..4ad7540
--- /dev/null
+++ "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-3\351\273\230\350\256\244\345\201\232\346\265\205\350\265\213\345\200\274.py"
@@ -0,0 +1,7 @@
+l1 = [3, [55, 44], (7, 8, 9)]
+l2 = list(l1)
+print(l2)
+print(l2 == l1)
+print(l2 is l1)
+l1[1].append(11)
+l1[0] = 12
\ No newline at end of file
diff --git "a/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-5\345\205\203\347\273\204\347\232\204\347\233\270\345\257\271\344\270\215\345\217\257\345\217\230\346\200\247.py" "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-5\345\205\203\347\273\204\347\232\204\347\233\270\345\257\271\344\270\215\345\217\257\345\217\230\346\200\247.py"
new file mode 100644
index 0000000..6327bc5
--- /dev/null
+++ "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-5\345\205\203\347\273\204\347\232\204\347\233\270\345\257\271\344\270\215\345\217\257\345\217\230\346\200\247.py"
@@ -0,0 +1,12 @@
+# 元组的不可变性其实是指
+# tuple数据结构的物理内容
+t1 = (1, 2, [30, 40])
+t2 = (1, 2, [30, 40])
+
+print(t1 == t2)
+print(t1 is t2)
+print(id(t1[-1]))
+t1[-1].append(99)
+print(t1)
+print(id(t1[-1]))
+print(t1 == t2)
\ No newline at end of file
diff --git "a/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-6.py" "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-6.py"
new file mode 100644
index 0000000..d793170
--- /dev/null
+++ "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-6.py"
@@ -0,0 +1,12 @@
+l1 = [3, [66, 55, 44], (7, 8, 9)]
+l2 = list(l1)
+l1.append(100)
+l1[1].remove(55)
+print('l1:', l1)
+print('l2:', l2)
+l2[1] += [33,22]
+
+# 因为tuple 是不可变序列，所以会返回一个新的tuple
+l2[2] += (10,11)
+print('l1:', l1)
+print('l2:', l2)
\ No newline at end of file
diff --git "a/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-8\346\240\241\350\275\246\344\271\230\345\256\242\345\234\250\351\200\224\344\270\255\344\270\212\350\275\246\345\222\214\344\270\213\350\275\246.py" "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-8\346\240\241\350\275\246\344\271\230\345\256\242\345\234\250\351\200\224\344\270\255\344\270\212\350\275\246\345\222\214\344\270\213\350\275\246.py"
new file mode 100644
index 0000000..77f0119
--- /dev/null
+++ "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/8-8\346\240\241\350\275\246\344\271\230\345\256\242\345\234\250\351\200\224\344\270\255\344\270\212\350\275\246\345\222\214\344\270\213\350\275\246.py"
@@ -0,0 +1,26 @@
+import copy
+
+class Bus:
+
+    def __init__(self,passengers=None):
+        if passengers is None:
+            self.passengers = []
+        else:
+            self.passengers = list(passengers)
+
+    def pick(self, name):
+        self.passengers.append(name)
+
+    def drop(self, name):
+        self.passengers.remove(name)
+
+
+bus1 = Bus(['alice','bill','clairs','david'])
+# 浅复制
+bus2 = copy.copy(bus1)
+# 深复制
+bus3 = copy.deepcopy(bus1)
+
+bus1.drop('bill')
+print(bus2.passengers)
+print(bus3.passengers)
diff --git "a/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/__init__.py" "b/\347\254\2548\347\253\240\345\257\271\350\261\241\345\274\225\347\224\250\345\217\257\345\217\230\346\200\247\345\222\214\345\236\203\345\234\276\345\233\236\346\224\266/__init__.py"
new file mode 100644
index 0000000..e69de29
diff --git "a/\347\254\254\344\271\235\347\253\240/9-2vector2d_v0.py" "b/\347\254\254\344\271\235\347\253\240/9-2vector2d_v0.py"
new file mode 100644
index 0000000..6ad4d3d
--- /dev/null
+++ "b/\347\254\254\344\271\235\347\253\240/9-2vector2d_v0.py"
@@ -0,0 +1,80 @@
+from array import array
+import math
+
+class Vector2d:
+    typecode='d'
+
+    @classmethod
+    def frombytes(cls,octets):
+        typecode = chr(octets[0])
+        memv = memoryview(octets[1:]).cast(typecode)
+        return cls(*memv)
+
+    def __init__(self,x,y):
+        print('call init')
+        self.x=float(x)
+        self.y=float(y)
+
+    def __iter__(self):
+        print('call iter')
+        return (i for i in (self.x,self.y))
+
+    def __repr__(self):
+        print('call repr')
+        class_name = type(self).__name__
+        # print('class_name = ',class_name)
+        return '{}({!r},{!r})'.format(class_name,*self)
+
+    def __str__(self):
+        print('call str')
+        return str(tuple(self))
+
+    def __bytes__(self):
+        print('call bytes')
+        return (bytes([ord(self.typecode)])+
+                bytes(array(self.typecode,self)))
+
+    def __eq__(self, other):
+        print('call eq')
+        return tuple(self) == tuple(other)
+
+    def __abs__(self):
+        print('call abs')
+        return math.hypot(self.x,self.y)
+
+    def __bool__(self):
+        print('call bool')
+        return bool(abs(self))
+
+if __name__=="__main__":
+    v1 = Vector2d(3, 4)
+    print(v1.x, v1.y)
+    # 分包调用了 __iter__
+    print('\n分包操作')
+    x, y = v1
+    print(x, y)
+    print('\nrepr v1')
+    repr(v1)
+    print()
+    # eval 将字符串str当成有效的表达式来求值并返回计算结果
+    v1_clone = eval(repr(v1))
+    print()
+    print(v1 == v1_clone)
+
+    print()
+    print(v1)
+
+    print()
+    print(abs(v1))
+
+    print()
+    print(bool(v1))
+    print()
+    print(bool(Vector2d(0, 0)))
+
+    print()
+    octets = bytes(v1)
+    print(octets)
+    # 从字节序列转换为 Vector2d 实例
+    v2=Vector2d.frombytes(octets)
+    print('v2 ',v2)
\ No newline at end of file
diff --git "a/\347\254\254\344\271\235\347\253\240/9-4\346\257\224\350\276\203classmethod\345\222\214staticmethod.py" "b/\347\254\254\344\271\235\347\253\240/9-4\346\257\224\350\276\203classmethod\345\222\214staticmethod.py"
new file mode 100644
index 0000000..5520ff9
--- /dev/null
+++ "b/\347\254\254\344\271\235\347\253\240/9-4\346\257\224\350\276\203classmethod\345\222\214staticmethod.py"
@@ -0,0 +1,17 @@
+class Demo:
+
+    @classmethod
+    def klassmeth(*args):
+        return args
+
+    @staticmethod
+    def statmeth(*args):
+        return args
+
+if __name__=="__main__":
+    print(Demo.klassmeth())
+    print(Demo.klassmeth('spam'))
+
+    print()
+    print(Demo.statmeth())
+    print(Demo.statmeth('spam'))
\ No newline at end of file
diff --git "a/\347\254\254\344\271\235\347\253\240/9-5\346\240\274\345\274\217\345\214\226\346\230\276\347\244\272.py" "b/\347\254\254\344\271\235\347\253\240/9-5\346\240\274\345\274\217\345\214\226\346\230\276\347\244\272.py"
new file mode 100644
index 0000000..4ec86bb
--- /dev/null
+++ "b/\347\254\254\344\271\235\347\253\240/9-5\346\240\274\345\274\217\345\214\226\346\230\276\347\244\272.py"
@@ -0,0 +1,6 @@
+br1 = 1/2.43
+print(br1)
+print(format(br1, '0.4f'))
+
+# { 字段名:格式说明符 }
+print('1 BRL = {rate:0.2f} USD '.format(rate=br1))
\ No newline at end of file
diff --git "a/\347\254\254\344\271\235\347\253\240/__init__.py" "b/\347\254\254\344\271\235\347\253\240/__init__.py"
new file mode 100644
index 0000000..e69de29
diff --git "a/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-1\346\212\212\345\207\275\346\225\260\350\247\206\344\275\234\345\257\271\350\261\241.py" "b/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-1\346\212\212\345\207\275\346\225\260\350\247\206\344\275\234\345\257\271\350\261\241.py"
new file mode 100644
index 0000000..88a9aea
--- /dev/null
+++ "b/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-1\346\212\212\345\207\275\346\225\260\350\247\206\344\275\234\345\257\271\350\261\241.py"
@@ -0,0 +1,12 @@
+def factorial(n):
+    """return n!"""
+    return 1 if n<2 else n* factorial(n-1)
+
+print(factorial(42))
+print(factorial.__doc__)
+print(type(factorial))
+
+fact=factorial
+print(type(fact))
+
+print(list(map(fact,range(11))))
\ No newline at end of file
diff --git "a/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-21\347\224\250reduce\345\207\275\346\225\260\345\222\214\344\270\200\344\270\252\345\214\277\345\220\215\345\207\275\346\225\260\350\256\241\347\256\227\351\230\266\344\271\230.py" "b/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-21\347\224\250reduce\345\207\275\346\225\260\345\222\214\344\270\200\344\270\252\345\214\277\345\220\215\345\207\275\346\225\260\350\256\241\347\256\227\351\230\266\344\271\230.py"
new file mode 100644
index 0000000..d4c079c
--- /dev/null
+++ "b/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-21\347\224\250reduce\345\207\275\346\225\260\345\222\214\344\270\200\344\270\252\345\214\277\345\220\215\345\207\275\346\225\260\350\256\241\347\256\227\351\230\266\344\271\230.py"
@@ -0,0 +1,17 @@
+from functools import reduce
+
+def fact(n):
+    return reduce(lambda a,b:a*b,range(1,n+1))
+
+from operator import mul
+
+def fact2(n):
+    return reduce(mul,range(1,n+1))
+
+print(fact(3))
+
+print(reduce(mul,range(1,3)))
+
+print()
+for i in range(1,4):
+    print(i)
\ No newline at end of file
diff --git "a/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-24\344\275\277\347\224\250attrhetter\345\244\204\347\220\206.py" "b/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-24\344\275\277\347\224\250attrhetter\345\244\204\347\220\206.py"
new file mode 100644
index 0000000..2619812
--- /dev/null
+++ "b/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-24\344\275\277\347\224\250attrhetter\345\244\204\347\220\206.py"
@@ -0,0 +1,25 @@
+from collections import namedtuple
+
+metro_data = [
+    ('Tokyo','JP',36.933,(35.689772,139.691667)),
+    ('Delhi NCR','IN',21.935,(28.613889,77.208889)),
+    ('Mexico City','MX',20.142,(19.433333,-99.13333)),
+    ('New-York','US',20.142,(40.8680,-74.020386)),
+]
+
+LatLong=namedtuple('LatLong','lat long')
+Metropolis=namedtuple('Metropolis','name cc pop coord')
+metro_areas=[Metropolis(name,cc,pop,LatLong(lat,long))
+             for name,cc,pop,(lat,long) in metro_data]
+
+print(metro_areas[0])
+
+print(metro_areas[0].coord.lat)
+
+from operator import attrgetter
+name_let=attrgetter('name','coord.lat')
+
+print()
+for city in sorted(metro_areas,key=attrgetter('coord.lat')):
+    print(city)
+    print(name_let(city))
\ No newline at end of file
diff --git "a/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-25methodcaller\344\275\277\347\224\250\347\244\272\344\276\213.py" "b/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-25methodcaller\344\275\277\347\224\250\347\244\272\344\276\213.py"
new file mode 100644
index 0000000..c4f0ae2
--- /dev/null
+++ "b/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-25methodcaller\344\275\277\347\224\250\347\244\272\344\276\213.py"
@@ -0,0 +1,10 @@
+from operator import methodcaller
+
+s = "The time has come"
+upcase = methodcaller('upper')
+lowcase=methodcaller('lower')
+print(upcase(s))
+print(lowcase(s))
+
+hiphenate=methodcaller('replace',' ','-')
+print(hiphenate(s))
\ No newline at end of file
diff --git "a/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-3\344\275\277\347\224\250itemgetter\346\216\222\345\272\217\344\270\200\344\270\252\345\205\203\347\264\240\345\210\227\350\241\250.py" "b/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-3\344\275\277\347\224\250itemgetter\346\216\222\345\272\217\344\270\200\344\270\252\345\205\203\347\264\240\345\210\227\350\241\250.py"
new file mode 100644
index 0000000..b709193
--- /dev/null
+++ "b/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-3\344\275\277\347\224\250itemgetter\346\216\222\345\272\217\344\270\200\344\270\252\345\205\203\347\264\240\345\210\227\350\241\250.py"
@@ -0,0 +1,15 @@
+metro_data = [
+    ('Tokyo','JP',36.933,(35.689772,139.691667)),
+    ('Delhi NCR','IN',21.935,(28.613889,77.208889)),
+    ('Mexico City','MX',20.142,(19.433333,-99.13333)),
+    ('New-York','US',20.142,(40.8680,-74.020386)),
+]
+
+from operator import itemgetter
+for city in sorted(metro_data,key=itemgetter(1)):
+    print(city)
+
+print()
+cc_name=itemgetter(1,0)
+for city in metro_data:
+    print(cc_name(city))
\ No newline at end of file
diff --git "a/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-4\345\217\257\350\260\203\347\224\250\345\257\271\350\261\241.py" "b/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-4\345\217\257\350\260\203\347\224\250\345\257\271\350\261\241.py"
new file mode 100644
index 0000000..1bfe971
--- /dev/null
+++ "b/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-4\345\217\257\350\260\203\347\224\250\345\257\271\350\261\241.py"
@@ -0,0 +1 @@
+print([callable(obj) for obj in [abs,str,13]])
\ No newline at end of file
diff --git "a/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-8bingocage.py" "b/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-8bingocage.py"
new file mode 100644
index 0000000..3decf38
--- /dev/null
+++ "b/\347\254\254\344\272\224\347\253\240\344\270\200\347\255\211\345\207\275\346\225\260/5-8bingocage.py"
@@ -0,0 +1,23 @@
+import random
+
+class BingoCage:
+    def __init__(self,items):
+        self._items=list(items)
+        random.shuffle(self._items)
+
+    def pick(self):
+        try:
+            return self._items.pop()
+        except IndexError:
+            raise LookupError('pick from empty BingoCage')
+
+    def __call__(self):
+        return self.pick()
+
+bingo = BingoCage(range(5))
+print(bingo.pick())
+print(bingo.pick())
+
+print('调用bingo 实例本身 ', bingo())
+print('callable = ', callable(bingo))
+