static void Main(string[] args)
{
Notebook notebook = new Notebook();
Note noteforremoval = null;
for (int i = 0; i < 5; i++)
{
Note note = new Note("title" + i, "text" + i);
notebook.AddNote(note);
if (i == 3)
{
noteforremoval = note;
}
}
notebook.RemoveNote(noteforremoval);
var date = new DateTime(2020, 5, 20, 19, 21, 10);
ToDoItem item = new ToDoItem("Anto", "zadatak3", date);
CareTaker careTaker = new CareTaker();
careTaker.PushStack(item.StoreState());
item.Rename("Ivic");
item.ChangeTask("hehehe");
item.RestoreState(careTaker.PopStack());
}