namespace Marathons; public sealed class Marathon { //private Node? _head; public readonly string City; public readonly DateOnly Date; public int ParticipantCount { get; private set; } public Marathon(string city, DateOnly date) { City = city; Date = date; } public void AddParticipant(Participant participant) { } public bool RemoveParticipant(int index) { return false; } public string[] GetResultList() { return Array.Empty(); } public override string ToString() { return $"{City} marathon on {Date.ToString(Const.Culture)}"; } }