code: def mknts(self, add_dct):
          
          nts = []
          assert len(add_dct) == len(self.nts)
          flds = list(next(iter(self.nts))._fields) + list(next(iter(add_dct)).keys())
          ntobj = cx.namedtuple("ntgoea", " ".join(flds))
          for dct_new, ntgoea in zip(add_dct, self.nts):
              dct_curr = ntgoea._asdict()
              for key, val in dct_new.items():
                  dct_curr[key] = val
              nts.append(ntobj(**dct_curr))
          return nts
docs: Add information from add_dct to a new copy of namedtuples stored in nts.