save project

diy1.py

@@ -11,7 +11,10 @@ while True:
     if name==username and password==userpassword:
     if name==username and password==userpassword:
         print("欢迎登陆")
         print("欢迎登陆")
         break
         break
-
+    if name!=username:
+        print("用户名错误，请重新输入！")
+    elif password!=userpassword:
+        print("密码错误，请重新输入密码!")
     else:
     else:
         print("登陆错误")
         print("登陆错误")
         print("请重新输入密码")
         print("请重新输入密码")