public override void Execute() { if (Result.StateServer) { _option = ParserCommand <ListOptions>(); if (_option != null) { if (_option.GetType() == typeof(ListOptions)) { if (Result.ListNumbers != null) { if (_option.Client == "all") { foreach (var s in Result.ListNumbers) { Console.WriteLine($"Client: {s.Key}, Sum of digits entered: {s.Value.Sum()}"); } } else { try { var count = Convert.ToInt32(_option.Client); if (count <= Result.ListNumbers.Count - 1) { var list = Result.ListNumbers.Take(count); foreach (var s in list) { Console.WriteLine($"Client: {s.Key}, Sum of digits entered: {s.Value.Sum()}"); } } } catch (FormatException ex) { Console.WriteLine(ex.Message); } } } else { Console.WriteLine("List empty!"); } } } } else { Console.WriteLine("The server is not running!"); } }