Windows Console Application - Access private method in to the main function

hi all,

Am new in c# console application , i have a few clarification that is ,

is there any possibility to access private method in to the main function

my code below:

using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
       
        static void Main(string[] args)
        {
            
           
        }
       
        public class c : Program
        {
           
                private void sample()
                {
                    Console.WriteLine("hi");
                    Console.ReadKey();
                }
            }

        }
   
    }
    

thanks in advance.