使用python通过接口方式发送钉钉消息

def sendDing(msg):
    '''
    发送钉钉消息功能
    '''
    dingding_url = 'https://oapi.dingtalk.com/robot/send?access_token=******'
    data = {"msgtype": "text","text": {"content": "内部群:"+str(msg)}}
    headers = {'Content-Type':'application/json;charset=UTF-8'}
    send_data = json.dumps(data).encode('utf-8')
    ret = requests.post(url=dingding_url,data=send_data,headers=headers)
    print(ret.text)