code: def get_accounts(self, owner_id=None, member_id=None, properties=None):
          
          query_parameters = {}
          if owner_id is not None:
              query_parameters['ownerId'] = self._serialize.query('owner_id', owner_id, 'str')
          if member_id is not None:
              query_parameters['memberId'] = self._serialize.query('member_id', member_id, 'str')
          if properties is not None:
              query_parameters['properties'] = self._serialize.query('properties', properties, 'str')
          response = self._send(http_method='GET',
                                location_id='229a6a53-b428-4ffb-a835-e8f36b5b4b1e',
                                version='5.0',
                                query_parameters=query_parameters)
          return self._deserialize('[Account]', self._unwrap_collection(response))
docs: GetAccounts.
          Get a list of accounts for a specific owner or a specific member.
          :param str owner_id: ID for the owner of the accounts.
          :param str member_id: ID for a member of the accounts.
          :param str properties:
          :rtype: [Account]