auto save

diy2.py

@@ -21,6 +21,4 @@ while True:
             print("用户名和密码错误!请重新输入")
     else:
         print("你的登录次数已经用完")
-        exit()
-
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+        exit()
\ No newline at end of file