static void Main()
        {
            var data = new TripShareData();

            var cities = data.Cities
                .All()
                .Select(c => c.Name)
                .ToList();

            foreach (var city in cities)
            {
                Console.WriteLine(city);
            }

            var trip = data.Trips.Find(1);

            Console.WriteLine("Ot" + " " + trip.DepartureCity.Name + " do " + trip.ArrivalCity.Name + " na {0:dd/MM}",
                trip.DepartureDate);
        }
        static void Main()
        {
            var data = new TripShareData();

            var cities = data.Cities
                         .All()
                         .Select(c => c.Name)
                         .ToList();

            foreach (var city in cities)
            {
                Console.WriteLine(city);
            }

            var trip = data.Trips.Find(1);

            Console.WriteLine("Ot" + " " + trip.DepartureCity.Name + " do " + trip.ArrivalCity.Name + " na {0:dd/MM}",
                              trip.DepartureDate);
        }