static void Main(string[] args)
        {
            IPerson person = new Person();

            person.Id               = 1;
            person.Name             = "Firat";
            person.Surname          = "Basci";
            person.BirthYear        = 1999;
            person.NationalIdentity = "12345678910";
            person.UserName         = "******";
            IPerson person2 = new Person();

            person2.Id               = 2;
            person2.Name             = "kullanici";
            person2.Surname          = "soyad";
            person2.BirthYear        = 1999;
            person2.NationalIdentity = "12345678911";
            person2.UserName         = "******";


            PersonManager personManager = new Person();

            personManager.Add(person);
            personManager.Add(person2);
            //personManager.Add(person3);
            //personManager.Update(person3,person5);


            IGame game1 = new Game()
            {
                GameName = "oyun1", GamePrice = 200, DiscountPercent = 20, GameId = 1
            };
            IGame game2 = new Game()
            {
                GameName = "oyun2", GamePrice = 200, DiscountPercent = 20, GameId = 2
            };
            IGame game3 = new Game()
            {
                GameName = "oyun3", GamePrice = 160, DiscountPercent = 20, GameId = 3
            };
            IGame game4 = new Game()
            {
                GameName = "oyun4", GamePrice = 160, DiscountPercent = 0, GameId = 4
            };

            GameManager game = new Game();

            game.Add(game1);
            game.Add(game2);
            game.Add(game3);
            game.Add(game4);


            personManager.Login(person);
            game.List();
        }