auto save

diy2.py

@@ -6,10 +6,9 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    elif name != username:
+    if name != username:
         print("请输入正确的用户名")
-    elif password!= userpassword:
+    if password!= userpassword:
         print("请输入正确的密码")
-    
 print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")