code: def make_segwit_info(privkey=None):
      
  
      if privkey is None:
          privkey = BitcoinPrivateKey(compressed=True).to_wif()
  
      return make_multisig_segwit_info(1, [privkey])
docs: Create a bundle of information
      that can be used to generate
      a p2sh-p2wpkh transaction