C#_2_name_output

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace C_Ijun
{
    internal class Program
    {
        static void Main(string[] args)
        {
            char userSymbol;

            string userName;
            string stringByUserSymbol = "";
            string stringByUserName;

            Console.Write("Вывод имени.\nВведите имя: ");
            userName = Console.ReadLine();

            Console.Write("Введите 1 символ: ");
            userSymbol = Convert.ToChar(Console.ReadLine());

            stringByUserName = $"{userSymbol}{userName}{userSymbol}";

            for (int i = 0; i < stringByUserName.Length; i++)
            {
                stringByUserSymbol += userSymbol;
            }

            Console.Write($"{stringByUserSymbol}\n{stringByUserName}\n{stringByUserSymbol}");
            Console.ReadLine();
        }
    }
}