save project

diy1.py

@@ -9,5 +9,8 @@ while True:
     if name==username and lbl==userpassword:
         print("已登录")
         break
-    print("重新输入")
+    if name!=username:
+        print("没有账号")
+    if lbl!=userpassword:
+        print("密码错误")
 print("欢迎来到")
\ No newline at end of file