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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 phase3(self):
 """ Find out differences between common files. Ensure we are using content comparison with shallow=False. """

        fcomp = filecmp.cmpfiles(self.left, self.right, self.common_files,
                                 shallow=False)
        self.same_files, self.diff_files, self.funny_files = fcomp