auto save

diy2.py

@@ -14,5 +14,6 @@ while True:
         if name == username and password != userpassword:
             print("密码错误!请重新输入")
     else:
+        print("重复输入失败3次，账号已锁！")
         exit()
 print("欢迎来到贝尔编程!")
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