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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 evergreen(self, included_channel_ids=None, excluded_channel_ids=None, **kwargs):
 """ Search containing any evergreen piece of Content. :included_channel_ids list: Contains ids for channel ids relevant to the query. :excluded_channel_ids list: Contains ids for channel ids excluded from the query. """

        eqs = self.search(**kwargs)
        eqs = eqs.filter(Evergreen())
        if included_channel_ids:
            eqs = eqs.filter(VideohubChannel(included_ids=included_channel_ids))
        if excluded_channel_ids:
            eqs = eqs.filter(VideohubChannel(excluded_ids=excluded_channel_ids))
        return eqs