code: def _init_prt_flds(self):
          
          # Create namedtuple fields or copy namedtuple fields
          if 'go2nt' not in self.kws:
              return self.__init_prt_flds()
          else:
              return next(iter(self.kws['go2nt'].values()))._asdict()
docs: Return the print fields in the go2nt namedtuple.