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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 dump_zone_file(self):
 """Generate a zoneinfo compatible zone description table. Returns: list: zoneinfo descriptions """

        data = []
        for zone in sorted(self, key=attrgetter('country')):
            text = ['%s	%s	%s'
                    % (zone.country,
                       utils.to_iso6709(zone.latitude, zone.longitude,
                                        format='dms')[:-1],
                       zone.zone), ]
            if zone.comments:
                text.append('	%s' % ', '.join(zone.comments))
            data.append(''.join(text))
        return data