save project

diy2.py

 username = "python"
 userpassword = "123456"
 while True:
+    if i>0:
         name = input("请输入用户名:")
         password = input("请输入密码:")
         if name == username and password == userpassword:
@@ -8,7 +9,9 @@ while True:
             break
         elif name != username:
             print("用户名不存在，请重新输入！")
-        continue
-    else
+        else:
             print("用户名和密码错误!请重新输入")
+    else:
+        print("你的账户已被锁定，请5分钟后重试！")
+        exit()
 print("欢迎来到贝尔编程!")
\ No newline at end of file