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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 verify_path(self, mold_id_path):
 """ Lookup and verify path. """


        try:
            path = self.lookup_path(mold_id_path)
            if not exists(path):
                raise KeyError
        except KeyError:
            raise_os_error(ENOENT)
        return path