using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        List<char> grades = new List<char>(); // declaration & initialization

        grades.Add('A');

        grades.Add('B');

        grades.Add('C');

        Console.WriteLine(grades.Count); // Will return 3

        Console.WriteLine(grades[1]); // Returns value B

    }

}