auto save

diy2.py

@@ -9,10 +9,10 @@ while True:
         if name == username and password == userpassword:
             print("登录成功!")
             break
-        elif name!=username:  
-            print("用户名请重新输入")
+        elif name!=username:
+             print("登录成功!")  
             continue
-        else password!=userpassword:
-            print("账户密码错误")
+        else password!=userpassword：
+
             exit()        
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+print("欢迎来到che编程!")
\ No newline at end of file