auto save

diy1.py

@@ -6,7 +6,12 @@ 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
-    
+ lif pass name != username:
+       print("用户名错误!请重新输入")
+    if password != userpassword:
+       print("密码错误!请重新输入")  
+    if password != userpassword and name != username:
+        print("用户名错误!请重新输入")   
 print("欢迎来到贝尔编程!")# 请用input()实现用户输入账号、密码的功能
 print("欢迎来到贝尔编程!")# 请用input()实现用户输入账号、密码的功能