rrule set start and end code example

Example: rrule documentation

>>> list(rrule(DAILY, interval=10, count=5,
 ...            dtstart=parse("19970902T090000")))
 [datetime.datetime(1997, 9, 2, 9, 0),
  datetime.datetime(1997, 9, 12, 9, 0),
  datetime.datetime(1997, 9, 22, 9, 0),
  datetime.datetime(1997, 10, 2, 9, 0),
  datetime.datetime(1997, 10, 12, 9, 0)]