save project

diy1.py

@@ -7,8 +7,10 @@ while True:
     if username == usernameprint and userpassword == userpasswordprint:
         print("登录成功！") 
         break
-    else:
-        print("登陆失败!")
+    if username != usernameprint:
+        print("账号错误，请重试")
+    if userpassword != userpasswordprint:
+        print("密码错误，请重试")