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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 _get_vrfs(self):
 """Get the current VRFs configured in the device. :return: A list of vrf names as string """

        vrfs = []
        ios_cfg = self._get_running_config()
        parse = HTParser(ios_cfg)
        vrfs_raw = parse.find_lines("^vrf definition")
        for line in vrfs_raw:
            #  raw format ['ip vrf <vrf-name>',....]
            vrf_name = line.strip().split(' ')[2]
            vrfs.append(vrf_name)
        LOG.info("VRFs:%s", vrfs)
        return vrfs