def send(self, chat_id, msg_type, **kwargs):
data = {<EOL>'<STR_LIT>': chat_id,<EOL>'<STR_LIT>': kwargs.get('<STR_LIT>') or <NUM_LIT:0><EOL>}<EOL>data.update(self._build_msg_content(msg_type, **kwargs))<EOL>return self._post('<STR_LIT>', data=data)<EOL>
应用推送消息

详情请参考：https://work.weixin.qq.com/api/doc#90000/90135/90248
:param chat_id: 群聊id
:param msg_type: 消息类型，可以为text/image/voice/video/file/textcard/news/mpnews/markdown
:param kwargs: 具体消息类型的扩展参数
:return: