code: def get_data(session=None, day=None, year=None):
      
      if session is None:
          user = default_user()
      else:
          user = User(token=session)
      if day is None:
          day = current_day()
          log.info("current day=%s", day)
      if year is None:
          year = most_recent_year()
          log.info("most recent year=%s", year)
      puzzle = Puzzle(year=year, day=day, user=user)
      return puzzle.input_data
docs: Get data for day (1-25) and year (>= 2015)
      User's session cookie is needed (puzzle inputs differ by user)