code: def set_chat_description(chat_id, description, **kwargs):
      
  
      if len(description) > 255:
          raise ValueError("Chat description must be less than 255 characters.")
  
      # required args
      params = dict(
          chat_id=chat_id,
          description=description
      )
  
      return TelegramBotRPCRequest('setChatTitle', params=params, on_result=lambda result: result, **kwargs)
docs: Use this method to change the description of a supergroup or a channel. The bot must be an administrator in the
      chat for this to work and must have the appropriate admin rights. Returns True on success.
  
      :param chat_id: Unique identifier for the target chat or username of the target channel (in the format @channelusername)
      :param description: New chat description, 0-255 characters
      :param kwargs: Args that get passed down to :class:`TelegramBotRPCRequest`
      :return: Returns True on success.
      :rtype: bool