using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        List<int> numbers = new List<int>();

        numbers.Add(2);

        numbers.Add(5);

        numbers.Add(7);

        numbers.Add(3);

        numbers.Shuffle();

        Console.WriteLine("Lista desordenada:");

        for(int i=0; i<numbers.Count; i++)

        {

            Console.Write(numbers[i] + " ");

        }

    }

}

​

static public class MyExtensionMethods

{

    static public void Shuffle<T>(this List<T> source)

    {

    }

    static public double Pow(this double source, double power)

    {

        return Math.Pow(source, power);

    }

    static public double ToRadians(this double source)

    {

        return source * Math.PI / 180;

    }

}