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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 after_epoch_profile(self, epoch_id: int, profile: TimeProfile, train_stream_name: str, extra_streams: Iterable[str]) -> None: """ After epoch profile event. This event provides opportunity to process time profile of the finished epoch. :param epoch_id: finished epoch id :param profile: dictionary of lists of event timings that were measured during the epoch :param extra_streams: enumeration of additional stream names """

        pass