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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 lock(self, id=str(uuid.uuid4()), ttl=DEFAULT_TIMEOUT):
 """Create a Lock object given an ID and timeout :param id: ID for the lock, creates a new uuid if not provided :param ttl: timeout :return: Lock object """

        return Lock(id, ttl=ttl, client=self)