auto save

diy2.py

@@ -6,5 +6,5 @@ while True:
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
         break
         break
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
+    print("错误!重输")
+print("欢!")
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