static void ExecuteAction(Todos todos, string action) { switch (action) { case "add": Console.WriteLine("\nName the task to add :"); todos.AddTodo(Console.ReadLine()); break; case "toggle": Console.WriteLine("\nName the task to toggle :"); todos.ToggleDone(Console.ReadLine()); break; case "clean": todos.RemoveDones(); break; default: Console.WriteLine($"Unknown command :/"); break; } }