add py3 source for basic

michaelliao · michaelliao · commit 1780a431a55c · 2015-03-30T21:24:04.000+08:00
diff --git a/py3/basic/do_for.py b/py3/basic/do_for.py
@@ -0,0 +1,11 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# 打印list:
+names = ['Michael', 'Bob', 'Tracy']
+for name in names:
+    print(name)
+
+# 打印数字 0 - 9
+for x in range(10):
+    print(x)
diff --git a/py3/basic/do_if.py b/py3/basic/do_if.py
@@ -0,0 +1,15 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# 注意:
+# input()返回的是字符串
+# 必须通过int()将字符串转换为整数
+# 才能用于数值比较:
+age = int(input('Input your age: '))
+
+if age >= 18:
+    print('adult')
+elif age >= 6:
+    print('teenager')
+else:
+    print('kid')
diff --git a/py3/basic/do_input.py b/py3/basic/do_input.py
@@ -0,0 +1,5 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+name = input()
+print('Hello,', name)
diff --git a/py3/basic/do_print.py b/py3/basic/do_print.py
@@ -0,0 +1,7 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+print('The quick brown fox', 'jumps over', 'the lazy dog')
+print(300)
+print(100 + 200)
+print('100 + 200 =', 100 + 200)
diff --git a/py3/basic/do_while.py b/py3/basic/do_while.py
@@ -0,0 +1,10 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# 计算1+2+3+...+100:
+sum = 0
+n = 1
+while n <= 100:
+    sum = sum + n
+    n = n + 1
+print(sum)
diff --git a/py3/basic/hello.py b/py3/basic/hello.py
@@ -0,0 +1,4 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+print('Hello, world')
diff --git a/py3/basic/the_dict.py b/py3/basic/the_dict.py
@@ -0,0 +1,12 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+d = {
+    'Michael': 95,
+    'Bob': 75,
+    'Tracy': 85
+}
+print('d[\'Michael\'] =', d['Michael'])
+print('d[\'Bob\'] =', d['Bob'])
+print('d[\'Tracy\'] =', d['Tracy'])
+print('d.get(\'Thomas\', -1) =', d.get('Thomas', -1))
diff --git a/py3/basic/the_list.py b/py3/basic/the_list.py
@@ -0,0 +1,12 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+classmates = ['Michael', 'Bob', 'Tracy']
+print('classmates =', classmates)
+print('len(classmates) =', len(classmates))
+print('classmates[0] =', classmates[0])
+print('classmates[1] =', classmates[1])
+print('classmates[2] =', classmates[2])
+print('classmates[-1] =', classmates[-1])
+classmates.pop()
+print('classmates =', classmates)
diff --git a/py3/basic/the_set.py b/py3/basic/the_set.py
@@ -0,0 +1,8 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+s1 = set([1, 1, 2, 2, 3, 3])
+print(s1)
+s2 = set([2, 3, 4])
+print(s1 & s2)
+print(s1 | s2)
diff --git a/py3/basic/the_string.py b/py3/basic/the_string.py
@@ -0,0 +1,8 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+s = 'Python-中文'
+print(s)
+b = s.encode('utf-8')
+print(b)
+print(b.decode('utf-8'))
diff --git a/py3/basic/the_tuple.py b/py3/basic/the_tuple.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+classmates = ('Michael', 'Bob', 'Tracy')
+print('classmates =', classmates)
+print('len(classmates) =', len(classmates))
+print('classmates[0] =', classmates[0])
+print('classmates[1] =', classmates[1])
+print('classmates[2] =', classmates[2])
+print('classmates[-1] =', classmates[-1])
+
+# cannot modify tuple:
+classmates[0] = 'Adam'
