public static void Main(string[] args) { List <Task> tasks = new List <Task>(); while (true) { Console.Clear(); TaskApp app = new TaskApp(); int input = Convert.ToInt32(Console.ReadLine()); if (input == 1) { app.ListTasks(); } else if (input == 2) { app.AddTasks(); } else if (input == 3) { app.DeleteTasks(); } } }