Q2

// Q2
        static Random rnd = new Random();
        public static Node<int> RandomNode()
        {
            int length, next;

            length = rnd.Next(5, 11);
            next = rnd.Next(10, 100);
            Node<int> n = new Node<int>(next);
            Node<int> n2;
            for (int i = 1; i < length; i++)
            {
                next = rnd.Next(10, 100);
                n2 = new Node<int>(next);
                n.SetNext(n2);
            }
            return n;
        }


              static void Main(string[] args)
        {

            Stack<Node<int>> stk = new Stack<Node<int>>();
            Stack<Node<int>> forreturn = new Stack<Node<int>>();

            for (int k = 0; k < 10; k++)
            {
                stk.Push(RandomNode());
            }

            Node<int> temp;
            while (stk.IsEmpty() == false)
            {
                temp = stk.Pop();
                forreturn.Push(temp);
                while (temp != null)
                {
                    if (temp.GetNext() == null) // אם זה האחרון הוא לא מדפיס "," בסוף
                    {
                        Console.Write(temp.ToString());
                    }
                    else
                    {

                        Console.Write(temp.ToString() + ",");
                    }
                    temp = temp.GetNext();
                }

                Console.WriteLine();
            }

            while (forreturn.IsEmpty() == false)
            {
                stk.Push(forreturn.Pop());
            }
}