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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 get_indexer_for(self, target, **kwargs):
 """ Guaranteed return of an indexer even when non-unique. This dispatches to get_indexer or get_indexer_nonunique as appropriate. """

        if self.is_unique:
            return self.get_indexer(target, **kwargs)
        indexer, _ = self.get_indexer_non_unique(target, **kwargs)
        return indexer