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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 _parse_config(self):
 """Parses the mlag global configuration Returns: dict: A dict object that is intended to be merged into the resource dict """

        config = self.get_block('mlag configuration')
        cfg = dict()
        cfg.update(self._parse_domain_id(config))
        cfg.update(self._parse_local_interface(config))
        cfg.update(self._parse_peer_address(config))
        cfg.update(self._parse_peer_link(config))
        cfg.update(self._parse_shutdown(config))
        return dict(config=cfg)