Code for the random number using C #

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

namespace random1
{


    class Program
    {

      
           static void Main()
              {
                 F();
                 F();
                 F();
                 F();
                 F();
                 F();
              }

              static Random r = new Random();
              static void F()
               {
       
                     for(int i = 0; i < 600; i++)
                      {
                         double value;
                         double n = 0.5 + r.NextDouble() * (6.0-0.5);
                         value = Math.Round(n);
                         Console.WriteLine(value);
                       }
   
                       Console.ReadLine();
                 }

     }
}