restapi/20230415.3/w230415_console/Program.cs

using w230415_classes;
using w230415_classes.Intf;

namespace w230415_console
{
    internal class Program
    {
        static void Main(string[] args)
        {
            IHall ch = new CinemaHall();
            h_Process(ch);
        }

        private static void h_Process(IHall ch)
        {
            foreach (IHallPlace item in ch.GetNotBookedPlaceList())
            {
                Console.WriteLine($"{item.SeatRow}/{item.SeatPosition}: {item.Uid}");
            }
        }
    }
}