static void Main(string[] args)
        {
            Dictionary <String, int> product = new Dictionary <string, int>();

            product.Add("Tomato", 5);
            product.Add("Onion", 1);
            product.Add("Bacon", 3);

            Pizza pizza = new Pizza("My pizza", 45, product);

            pizza.show();
            Console.WriteLine("\n");
            Item item = new Adapter().toItem(pizza);

            item.show();
        }