save project

diy2.py

+i = 3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
@@ -10,6 +11,7 @@ while True:
             break
             break
         if name != username:
         if name != username:
             print("用户名不存在")
             print("用户名不存在")
+            print("你还有"+str(i)+"次机会")
             continue
             continue
         if password != userpassword:
         if password != userpassword:
             print("密码错误!请重新输入")
             print("密码错误!请重新输入")