public Node pop()
        {
            LLst TL       = new LLst();
            Node lastNode = GetLastNode();

            return(lastNode);
        }
            static void Main(string[] args)
            {
                LLst stack = new LLst();

                stack.push(4);
                stack.push(7);
                stack.push(0);


                stack.pop();

                Node n = stack.pop();

                Console.WriteLine(n.data + " was taken from the top");

                /*stack.pop();
                 * n = stack.pop();
                 * Console.WriteLine(n.data + " was taken from the top");  */

                //stack.printlist();

                Console.ReadKey();
            }