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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 derive_queryset(self, **kwargs):
 """ Derives our queryset. """

        # get our parent queryset
        queryset = super(SmartListView, self).get_queryset(**kwargs)

        # apply any filtering
        search_fields = self.derive_search_fields()
        search_query = self.request.GET.get('search')
        if search_fields and search_query:
            term_queries = []
            for term in search_query.split(' '):
                field_queries = []
                for field in search_fields:
                    field_queries.append(Q(**{field: term}))
                term_queries.append(reduce(operator.or_, field_queries))

            queryset = queryset.filter(reduce(operator.and_, term_queries))

        # add any select related
        related = self.derive_select_related()
        if related:
            queryset = queryset.select_related(*related)

        # return our queryset
        return queryset