code: def collstats(self, scale=1024, verbose=False):
          
          self.print_doc(self.database.command(
                              {"collStats": self._collection_name,
                               "scale": scale,
                               "verbose": verbose}))
docs: Run collection stats for collection.
          see https://docs.mongodb.com/manual/reference/command/collStats/
  
          :param scale: Scale at which to report sizes
          :param verbose: used for extended report on legacy MMAPV1 storage engine
          :return: JSON doc with stats