C# (CSharp) Lottery Contestant примеры использования

Пример #1

 public void PrintcontestantInfo(Contestant contestant)
 {
     Console.WriteLine($"The winner is {contestant.firstName}, {contestant.lastName}!");
 }

Пример #2

 public void RegisterContestant(Contestant contestant)
 {
     contestants.Add(contestant.registrationNumber, contestant);
 }