save project

diy2.py

@@ -6,5 +6,8 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    print("重新输入")
+    if name !=username:
+        print("用户名错误!重新输入")
+    if password !=userpassword:
+        print("密码错误!重新输入")
 print("欢迎来到贝尔编程")
\ No newline at end of file