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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 exact(self, *args, **kwargs):
 """Compare attributes of pairs exactly. Shortcut of :class:`recordlinkage.compare.Exact`:: from recordlinkage.compare import Exact indexer = recordlinkage.Compare() indexer.add(Exact()) """

        compare = Exact(*args, **kwargs)
        self.add(compare)

        return self