code: def ber_code(self):
          
          try:
              alt_text = self._ad_page_content.find(
                  'span', {'class': 'ber-hover'}
              ).find('img')['alt']
  
              if ('exempt' in alt_text):
                  return 'exempt'
              else:
                  alt_arr = alt_text.split()
                  if 'ber' in alt_arr[0].lower():
                      return alt_arr[1].lower()
                  else:
                      return None
          except Exception as e:
              if self._debug:
                  logging.error(
                      "Error getting the Ber Code. Error message: " + e.args[0])
              return None
docs: This method gets ber code listed in Daft.
          :return: