using System;

using System.Collections.Generic;

public static class Program

{

    public static void Main()

    {

        List<string> names = new List<string>()

        {

            "Nik",

            "Bazil",

            "Chaz",

            "Gabe",

            "Harjinder",

            "Sharath",

            "Sagar",

            "Suparna",

            "Dinara",

            "Mike",

            "Yiqi",

            "Aaron"

            };

        var hashSet = new HashSet<string>(names);

        names.ShuffleMe();

        foreach (var name in names)  

            {  

                Console.WriteLine(name);  

            }  

    }

​

​

public static void ShuffleMe<T>(this IList<T> list)  

{  

    Random random = new Random();  

    int n = list.Count;  

​

    for(int i= list.Count - 1; i > 1; i--)

    {

        int rnd = random.Next(i + 1);  

​

        T value = list[rnd];  

        list[rnd] = list[i];  

        list[i] = value;

    }

}

}