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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 enable_directory_service(self, check_peer=False):
 """Enable the directory service. :param check_peer: If True, enables server authenticity enforcement. If False, enables directory service integration. :type check_peer: bool, optional :returns: A dictionary describing the status of the directory service. :rtype: ResponseDict """

        if check_peer:
            return self.set_directory_service(check_peer=True)
        return self.set_directory_service(enabled=True)