code: def get_related_ids(self, content_id, min_strength=None):
          '''Get identifiers for related identifiers.
          '''
          related_labels = self.get_related(content_id,
                                            min_strength=min_strength)
          related_idents = set()
          for label in related_labels:
              related_idents.add(label.other(content_id))
  
          return list(related_identsf get_related_ids(self, content_id, min_strength=None):
          '''Get identifiers for related identifiers.
          '''
          related_labels = self.get_related(content_id,
                                            min_strength=min_strength)
          related_idents = set()
          for label in related_labels:
              related_idents.add(label.other(content_id))
  
          return list(related_idents)
docs: Get identifiers for related identifiers.