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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 and_return_future(self, *return_values):
 """Similar to `and_return` but the doubled method returns a future. :param object return_values: The values the double will return when called, """

        futures = []
        for value in return_values:
            future = _get_future()
            future.set_result(value)
            futures.append(future)
        return self.and_return(*futures)