public void RegisterContestant(Contestant contestant)
{
contestant.FirstName = UI.ContestantFirstName();
UI.ContestantFirstName();
contestant.LastName = UI.ContestantLastName();
UI.ContestantLastName();
contestant.EmailAddress = UI.ContestantEmail();
UI.ContestantEmail();
contestant.RegistrationNumber = UI.ContestantRegistrationNumber();
UI.ContestantRegistrationNumber();
}