public static void main(string[] args)
        {
            LL ll = new LL();

            //ll.createLLIntersection() ;
            ll.createLLKReverse();
            ll.display();
        }
        public static void main(string[] args)
        {
            LL list = new LL();

            // list.CreateLLIntersection();
            list.CreateLLKReverse(3);
            list.Display();
        }