C# Simple Yeild

simpleyeild.cs

using System;
using System.Collections.Generic;

namespace Yield
{
    class Program
    {
        static void Main(string[] args)
        {
            foreach (var number in GetNumbers())
            {
                Console.WriteLine($"Account Number:  {number}" );
            }
        }

        private static IEnumerable<int> GetNumbers()
        {
            yield return 1;
            yield return 2;
            yield return 3;
            yield return 4;
        }
    }
}