First Steps in Coding - 08. Square of Stars (with STRINGs)

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

namespace _05_08_2_Square_of_Stars_STRING
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            string stars = new string('*', n);
            Console.WriteLine(stars);

            for (int i = 1; i <= n - 2; i++)
            {
                string stars1 = "*" + new string(' ', n - 2) + "*";
                Console.WriteLine(stars1);
            }
            // in the beginning string was init -> stars = new string('*', n);
            Console.WriteLine(stars);
        }
    }
}