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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:
 async def all_job_results(self) -> List[JobResult]: """ Get results for all jobs in redis. """

        keys = await self.keys(result_key_prefix + '*')
        results = await asyncio.gather(*[self._get_job_result(k) for k in keys])
        return sorted(results, key=attrgetter('enqueue_time'))