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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 compute_state(self):
 """ Generate the index. """

        data = {}
        data['directory'] = self._dir.path
        data['files'] = list(self._dir.files())
        data['subdirs'] = list(self._dir.subdirs())
        data['index'] = self.index()
        return data