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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 make_hidden(self, request, queryset):
 """ Set entries selected as hidden. """

        queryset.update(status=HIDDEN)
        EntryPublishedVectorBuilder().cache_flush()
        self.message_user(
            request, _('The selected entries are now marked as hidden.'))