save project

diy1.py

@@ -8,5 +8,8 @@ while True:
     if name==username and password==userpassword:
         print("登录成功")
         break
-    print("重新输")
+    if name!=username:
+        print("用户名错")
+    if password!=userpassword:
+        print("密码错")
 print("欢迎光临")
\ No newline at end of file