code: def stoptimes(self, start_date, end_date):
          
          params = {
              'start': self.format_date(start_date),
              'end': self.format_date(end_date)
          }
          response = self._request(ENDPOINTS['STOPTIMES'], params)
          return response
docs: Return all stop times in the date range
  
          :param start_date:
              The starting date for the query.
          :param end_date:
              The end date for the query.
          >>> import datetime
          >>> today = datetime.date.today()
          >>> trans.stoptimes(today - datetime.timedelta(days=1), today)