public static void PrintEvent(Event eventToPrint)
{
if (eventToPrint != null)
{
output.Append(eventToPrint + "\n");
}
}
public void AddEvent(DateTime date, string title, string location)
{
Event newEvent = new Event(date, title, location);
byTitle.Add(title.ToLower(), newEvent);
byDate.Add(newEvent);
}