static void Main(string[] args)
{
List <IObserver> printers = new List <IObserver>();
Todos todos = new Todos(new InMemoryTodoRepository());
todos.AddObserver(new StatsPrinter());
todos.AddObserver(new YetToDoPrinter());
todos.AddObserver(new AllTaskPrinter());
while (true)
{
string action = SelectAction();
ExecuteAction(todos, action);
}
}
