private static void Main()
{
var singlyLinkedList = new SinglyLinkedList();
singlyLinkedList.Add(5);
singlyLinkedList.Add(13);
singlyLinkedList.Add(2);
Console.WriteLine(singlyLinkedList.Contains(13));
Console.WriteLine(singlyLinkedList.Contains(25));
Console.WriteLine(singlyLinkedList.Remove(13));
Console.WriteLine(singlyLinkedList.FindByIndex(1));
Console.WriteLine(singlyLinkedList.Count);
Console.WriteLine(singlyLinkedList[1]);
singlyLinkedList[1] = 20;
Console.WriteLine(singlyLinkedList[1]);
Console.Read();
}
