public void RemoveHamsterWithSpecificPhoneNumber(HamsterGood _hamster) { HamstersHouse.Remove(FindHamsterByPhone(_hamster.HamsterPhoneNumber)); }
public void AddHamsterWithSpecificPhoneNumber(HamsterGood _hamster) { HamstersHouse.Add(FindHamsterByPhone(_hamster.HamsterPhoneNumber)); }