save project

diy1.py

@@ -5,8 +5,10 @@ while True:
     # 请用input()实现用户输入账号、密码的功能
     password = input("密码是：")
     if name == username and password == userpassword:
-        break
         print("登陆成功！")
+        break
+    if name != username and password != userpassword:
+        print("登陆错误，请重新输入")
 print("欢迎使用")