public static void Main(string[] args)
{
//first assignment
var clock = new Stopwatch();
clock.Start ();
clock.Stop ();
Console.WriteLine ("Duration" + clock.Span ());
//second assignment
var post = new Post();
post.title = "The amazing Rachel";
post.UpVote();
post.UpVote();
post.DownVote();
post.DisplayVotes();
}