code: def get_address(self, address):
          
          
          params = self.build_basic_request()
          params['address'] = address
  
          response = util.call_api("merchant/{0}/address_balance".format(self.identifier), params,
                                   base_url=self.service_url)
          json_response = json.loads(response)
          self.parse_error(json_response)
          return Address(json_response['balance'],
                         json_response['address'],
                         None,
                         json_response['total_received'])
docs: Retrieve an address from the wallet.
          
          :param str address: address in the wallet to look up
          :return: an instance of :class:`Address` class