save project

diy2.py

+i = 3
 username = "python"
 username = "python"
 userpassword = "666"
 userpassword = "666"
 while True:
 while True:
+    if i>0:
         name = input("请输入用户名:")
         name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
+        i -= 1
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
             break
             break
-    elif name!=username:
+        if name!=username:
             print("用户名不存在，错误!")
             print("用户名不存在，错误!")
-    else:
+            contime
+        if password!=userpassword:
             print("密码错!")
             print("密码错!")
+    else:
+         print("账户已锁定，5分钟后再来")
+         exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
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