using System;

using System.Collections;

public class Program

{

    public static void Main()

    {

        ArrayList myArryList = new ArrayList();

        myArryList.Add(1);

        myArryList.Add("Two");

        myArryList.Add(3);

        myArryList.Add(4.5);        

        dynamic dyn = myArryList;

        var dyn2 = Tuple.Create(myArryList);        

        Console.WriteLine(Convert.ToString(dyn[0]));

        Console.WriteLine(dyn2.Item1[0]);

    }

}