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

namespace ExtensionMethods
{
    class Program
    {
        static void Main(string[] args)
        {
            string post = "This is supposed to be a very long blog post blah blah blah...";
            var shortenedPost = post.Shorten(5);

            IEnumerable<int> numbers = new List<int>() { 1, 3, 7 , 4 ,9,20,22};
            var max = numbers.Max();
            System.Console.WriteLine(max);
            System.Console.WriteLine(shortenedPost);
        }
    }
}