code: def send_video(chat_id, video,
                 duration=None, caption=None, reply_to_message_id=None, reply_markup=None,
                 **kwargs):
      
      files = None
      if isinstance(video, InputFile):
          files = [video]
          video = None
      elif not isinstance(video, str):
          raise Exception('video must be instance of InputFile or str')
  
      # required args
      params = dict(
          chat_id=chat_id,
          video=video
      )
  
      # optional args
      params.update(
          _clean_params(
              duration=duration,
              caption=caption,
              reply_to_message_id=reply_to_message_id,
              reply_markup=reply_markup
          )
      )
  
      return TelegramBotRPCRequest('sendVideo', params=params, files=files, on_result=Message.from_result, **kwargs)
docs: Use this method to send video files, Telegram clients support mp4 videos (other formats may be sent as Document).
  
      :param chat_id: Unique identifier for the message recipient — User or GroupChat id
      :param video: Video to send. You can either pass a file_id as String to resend a
                    video that is already on the Telegram servers, or upload a new video
                    using multipart/form-data.
      :param duration: Duration of sent video in seconds
      :param caption: Video caption (may also be used when resending videos by file_id)
      :param reply_to_message_id: If the message is a reply, ID of the original message
      :param reply_markup: Additional interface options. A JSON-serialized object for a
                           custom reply keyboard, instructions to hide keyboard or to
                           force a reply from the user.
      :param \*\*kwargs: Args that get passed down to :class:`TelegramBotRPCRequest`
  
      :type chat_id: int
      :type video: InputFile or str
      :type duration: int
      :type caption: str
      :type reply_to_message_id: int
      :type reply_markup: ReplyKeyboardMarkup or ReplyKeyboardHide or ForceReply
  
      :returns: On success, the sent Message is returned.
      :rtype:  TelegramBotRPCRequest