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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_from_cache(self):
 """See if this rule has already been built and cached."""

        for item in self.rule.output_files:
            dstpath = os.path.join(self.buildroot, item)
            self.linkorcopy(
                self.cachemgr.path_in_cache(item, self._metahash()),
                dstpath)