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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 continue_with(self, continuation_func, *args):
 """ Create a continuation that executes when the Future is completed. :param continuation_func: A function which takes the future as the only parameter. Return value of the function will be set as the result of the continuation future. :return: A new Future which will be completed when the continuation is done. """

        future = Future()

        def callback(f):
            try:
                future.set_result(continuation_func(f, *args))
            except:
                future.set_exception(sys.exc_info()[1], sys.exc_info()[2])

        self.add_done_callback(callback)
        return future