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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def hosting_devices_removed(self, context, payload):
 """Deal with hosting device removed RPC message."""

        try:
            if payload['hosting_data']:
                if payload['hosting_data'].keys():
                    self.process_services(removed_devices_info=payload)
        except KeyError as e:
            LOG.error("Invalid payload format for received RPC message "
                      "`hosting_devices_removed`. Error is %(error)s. Payload "
                      "is %(payload)s", {'error': e, 'payload': payload})