input: Write a function to get events from a calendar based on a start date and number of events.
  assert get_events(calendar.Calendar(), date(2023, 10, 1), 3) == [(date(2023, 10, 1), 6), (date(2023, 10, 2), 0), (date(2023, 10, 3), 1)]
  assert get_events(calendar.Calendar(), date(2023, 11, 1), 2) == [(date(2023, 11, 1), 2), (date(2023, 11, 2), 3)]
  assert get_events(calendar.Calendar(), date(2023, 12, 31), 1) == [(date(2023, 12, 31), 6)]
output: from datetime import date, timedelta
  import calendar
  
  def get_events(cal, start_date, num_events):
      events = []
      current_date = start_date
      for _ in range(num_events):
          events.append((current_date, cal.weekday(current_date.year, current_date.month, current_date.day)))
          current_date += timedelta(days=1)
      return events