public void RunBeverageMachineBase()
        {
            foreach (var Beverage in Cold)
            {
                Beverage.Execute();
                Alert("Added");
                Cold.Remove(Beverage);
            }

            foreach (var Beverage in Hot)
            {
                Beverage.Execute();
                Alert("Added");
                Cold.Remove(Beverage);
            }
        }