public static void MethodWithCallback(int value1, int value2, Delegate1.Del callback, IMyPrint myPrint)
        {
            int sum = value1 + value2;

            callback($"The sum is: {sum}");

            myPrint.WriteDown($"The sum is: {sum} (same idea)");
        }
        public static void Run()
        {
            Console.WriteLine();
            Delegate1.Del handler = SubscribeDelegate1.DelegateMethod;

            handler += SubscribeDelegate1.DelegateMethod;
            handler += SubscribeDelegate1.DelegateMethod2;

            handler("First Delegate Test.");

            NewSubject.WriteLine("Delegate as a parameters - Name: Callback");

            IMyPrint myPrint1 = new MyPrint1();

            SubscribeDelegate1.MethodWithCallback(1, 2, handler, myPrint1);

            NewSubject.WriteLine("Delegate as a parameters - Name: Callback 2");

            handler -= SubscribeDelegate1.DelegateMethod2;

            IMyPrint myPrint2 = new MyPrint2();

            SubscribeDelegate1.MethodWithCallback(3, 5, handler, myPrint2);
        }