static void Main(string[] args)
{
int i;
bool b;
MyList mylist = new MyList();
mylist.AddFirst(1);
mylist.AddFirst(2);
mylist.AddFirst(3);
mylist.AddLast(4);
mylist.AddLast(5);
mylist.AddLast(6);
mylist.Add(7);
mylist.Insert(6, 3);
mylist.Remove(2);
mylist.RemoveAt(2);
mylist.PrintAllNodes();
i = mylist.IndexOf(0);
b = mylist.Contains(7);
Console.WriteLine(b + "," + i + " ," + mylist.Count);
Console.ReadKey();
}