using System;

using System.Collections.Generic;

​

    class CollectionList

    {

        public void ListMethod()

        {

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

            list.Add(1);

            list.Add(2);

            list.Add(3);

            list.Add(4);

            list.Add(5);

            int[] a = new int[5] { 6, 7, 8, 9, 10 };

            list.AddRange(a);

            list.Sort();

            list.Reverse();

            list.Reverse();

            list.Remove(5);

            list.RemoveAt(7);

            list.RemoveRange(5, 2);

            foreach (var item in list)

            {

                Console.WriteLine("List item value is : " + item);

            }

              list.RemoveRange(3, 2);

​

            foreach (var item in list)

            {

                Console.WriteLine("List item value is : " + item);

            }

        }

​

    }

public class Program

{

    public static void Main()

    {

         CollectionList c = new CollectionList();

        c.ListMethod();

    }

}