code: def get_unspent_outputs(self, address):
          
          logging.debug('get_unspent_outputs for address=%s', address)
          spendables = self.spendables_for_address(bitcoin_address=address)
          if spendables:
              return sorted(spendables, key=lambda x: hash(x.coin_value))
          return None
docs: Get unspent outputs at the address
          :param address:
          :return: