static void Main(string[] args)
{
PlayerManager playerManager = new PlayerManager();
Player player1 = new Player();
Player player2 = new Player();
player1.Name = "Serkan";
player1.surName = "Önder";
player1.TCNo = "12345678910";
player1.birthDate = "16012000";
player2.Name = "Argun";
player2.surName = "Asar";
player2.TCNo = "1234566789";
player2.birthDate = "28121999";
playerManager.Add(player1);
playerManager.ShowPlayer(player1);
playerManager.Update(player1);
playerManager.Campaignz(player1, new Campaign1());
playerManager.Delete(player1);
playerManager.Add(player2);
playerManager.ShowPlayer(player2);
playerManager.Update(player2);
playerManager.Campaignz(player2, new Campaign3());
playerManager.Delete(player2);
}