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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 _video_part_rIds(self):
 """Return the rIds for relationships to media part for video. This is where the media part and its relationships to the slide are actually created. """

        media_rId, video_rId = self._slide_part.get_or_add_video_media_part(
            self._video
        )
        return media_rId, video_rId