using System;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

    var lista = new List<int>() { {100}, {200}, {300}, {400}, {500}, {600}, {700},  {800}, {900}, {1000} };     

    foreach(var index in Enumerable.Range(0, lista.Count()).ToList())

        Console.WriteLine("Index item: "+ index + " valor item na lista: " + lista[index]);     

    }

}