Data Types C#

using System;
public class Example
{
    public static void Main()
    {
        Tuple>[] scores = 
                    { new Tuple>("A", 78),
                      new Tuple>("B", 84) };
        output(scores);
    }
    private static void output(Tuple>[] scores)
    {
        foreach (var score in scores)
        {
            if (score.Item2.HasValue)
            {
                Console.WriteLine(score.Item2.Value);
            }
        }
    }
}