auto save

diy2.py

@@ -7,9 +7,13 @@ while True:
         print("登录成功!")
         break
     if name != username:
-        
         print("用户名不存在")
     if  password != userpassword:
         print("密码不存在")
 
+
+
+
+
+
 print("欢迎来到贝尔编程!")
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