code: def handle_endtag(self, tag):
          
          if tag.lower() in self.allowed_tag_whitelist:
              if tag.lower() in ['ul', 'ol']:
                  self.previous_type_lists = self.previous_type_lists[:-1]
                  if tag.lower() == 'ol':
                      self.nb = self.previous_nbs[-1]
                      self.previous_nbs = self.previous_nbs[:-1]
                  # we must remove any non-relevant spacing and end of
                  # line before
                  self.result = self.result.rstrip()
                  self.result += '\n' + self.line_quotation
docs: Function called for ending of tags