code: def count(self):
          "The number of items, pruned or otherwise, contained by this branch."
          if getattr(self, '_count', None) is None:
              self._count = getattr(self.node, 'count', 0)
          return self._counf count(self):
          "The number of items, pruned or otherwise, contained by this branch."
          if getattr(self, '_count', None) is None:
              self._count = getattr(self.node, 'count', 0)
          return self._count
docs: The number of items, pruned or otherwise, contained by this branch.