save project

diy1.py

@@ -5,4 +5,8 @@ while True:
     pas = input("请输入密码")                 
     if name==username and pas==userpassword:
         print("登录成功")
-        break
\ No newline at end of file
+        break
+    if name!=username:
+        print("输入账号错误")
+    if pas!=userpassword:
+        print("输入密码错误")
\ No newline at end of file