auto save

diy2.py

@@ -7,5 +7,9 @@ while True:
         print("登录成功!")
         print("登录成功!")
         break
         break
     else:
     else:
-        print("用户名和密码错误!请重新输入")
+        if name != username:
+            print("账号错误！")
+            continue
+        if password != userpassword:
+            print("密码错误！")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
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