code: def segwit_address(self):
          
          # Only make segwit-address if all public keys are compressed
          if self._segwit_address is None and self.is_compressed:
              self._segwit_address = multisig_to_segwit_address(self.public_keys,
                  self.m, version=self.version)
          return self._segwit_address
docs: The public segwit nested in P2SH address you share with others to
          receive funds.