code: def _days(cls, start, end):
          
          days = []
          # datetime
          start_day, end_day = dt.strptime(start, cls.DATE_FORMAT), dt.strptime(end, cls.DATE_FORMAT)
          delta = end_day - start_day
  
          for day in range(delta.days+1):
              days.append(start_day + timedelta(days=day))
          return days
docs: Scrape a MLBAM Data
          :param start: Start Day(YYYYMMDD)
          :param end: End Day(YYYYMMDD)