diff --git a/lenzzz/0000/main.py b/lenzzz/0000/main.py
new file mode 100644
index 00000000..e1152ef4
--- /dev/null
+++ b/lenzzz/0000/main.py
@@ -0,0 +1,11 @@
+from PIL import Image,ImageDraw,ImageFont
+
+im = Image.open("pic.jpg")
+x,y = im.size
+font = ImageFont.truetype("verdana.ttf", x/3)
+dr = ImageDraw.Draw(im)
+dr.text((3*x/4,0),font=font,text="4",fill="#FF0000")
+im.save("pictuer_has_number.jpg")
+
+
+
diff --git a/lenzzz/0000/pic.jpg b/lenzzz/0000/pic.jpg
new file mode 100644
index 00000000..4b998a3d
Binary files /dev/null and b/lenzzz/0000/pic.jpg differ
diff --git a/lenzzz/0000/pictuer_has_number.jpg b/lenzzz/0000/pictuer_has_number.jpg
new file mode 100644
index 00000000..9f5c9d2b
Binary files /dev/null and b/lenzzz/0000/pictuer_has_number.jpg differ
diff --git a/lenzzz/0000/verdana.ttf b/lenzzz/0000/verdana.ttf
new file mode 100644
index 00000000..59f22739
Binary files /dev/null and b/lenzzz/0000/verdana.ttf differ
diff --git a/lenzzz/0001/main.py b/lenzzz/0001/main.py
new file mode 100644
index 00000000..e4461297
--- /dev/null
+++ b/lenzzz/0001/main.py
@@ -0,0 +1,20 @@
+from random import randint
+
+def makeCode(length,number):
+    code = []
+    code_set = set(code)
+    code_map = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    limit = len(code_map)
+    while(len(code_set)<number):
+        this_code = ""
+        for i in range(length):
+            this_code += code_map[randint(0,limit-1)]
+        code.append(this_code)
+        code_set = set(code)
+
+    return code_set
+
+
+if __name__ == '__main__':
+    for i in makeCode(30,200):
+        print i
\ No newline at end of file
diff --git a/lenzzz/0002/main.py b/lenzzz/0002/main.py
new file mode 100644
index 00000000..91021bec
--- /dev/null
+++ b/lenzzz/0002/main.py
@@ -0,0 +1,32 @@
+from random import randint
+import MySQLdb
+def makeCode(length,number):
+    code = []
+    code_set = set(code)
+    code_map = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    limit = len(code_map)
+    while(len(code_set)<number):
+        this_code = ""
+        for i in range(length):
+            this_code += code_map[randint(0,limit-1)]
+        code.append(this_code)
+        code_set = set(code)
+
+    return code_set
+
+def insertDatebase(code):
+    db = MySQLdb.Connect("localhost","root","","pythonmysql")
+    cursor = db.cursor()
+    sql = """INSERT INTO my_practice
+         VALUES ('%s')""" % code
+    try:
+        cursor.execute(sql)
+        db.commit()
+    except:
+        db.rollback()
+    db.close()
+
+if __name__ == '__main__':
+    codes = makeCode(20,200)
+    for code in codes:
+        insertDatebase(code)
\ No newline at end of file