code: def result_str(self):
          
          return '{}, {}, {}'.format(LocalOnlyCounter.plural_fmt('project', self.projects),
                                     LocalOnlyCounter.plural_fmt('folder', self.folders),
                                     LocalOnlyCounter.plural_fmt('file', self.files))
docs: Return a string representing the totals contained herein.
          :return: str counts/types string