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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 format_day( self, date: datetime.datetime, gmt_offset: int = 0, dow: bool = True ) -> bool: """Formats the given date as a day of week. Example: "Monday, January 22". You can remove the day of week with ``dow=False``. """

        local_date = date - datetime.timedelta(minutes=gmt_offset)
        _ = self.translate
        if dow:
            return _("%(weekday)s, %(month_name)s %(day)s") % {
                "month_name": self._months[local_date.month - 1],
                "weekday": self._weekdays[local_date.weekday()],
                "day": str(local_date.day),
            }
        else:
            return _("%(month_name)s %(day)s") % {
                "month_name": self._months[local_date.month - 1],
                "day": str(local_date.day),
            }