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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 send_video(self, video, caption="", **options):
 """ Send an mp4 video file to the chat. :param video: Object containing the video data :param str caption: Video caption (optional) :param options: Additional sendVideo options (see https://core.telegram.org/bots/api#sendvideo) :Example: """

        return self.bot.api_call(
            "sendVideo", chat_id=str(self.id), video=video, caption=caption, **options
        )