python3.9 compatible send message to telegram script

sendmessage.py

#!/usr/bin/python3

#!/usr/bin/python3

import http.client, json, sys

conn = http.client.HTTPSConnection("api.telegram.org")
body = {'chat_id': xxx, 'text': " ".join(sys.argv[1:]) }

jsondata = json.dumps(body)
jsondataasbytes = jsondata.encode('utf-8')

headers = {"Content-type": "application/json"}

conn.request("POST",
             "/botxxxxxxxxxxxaddyourtelegrambottokenherexxxx/sendMessage",
             jsondataasbytes, headers)

r1 = conn.getresponse()

print(r1.status, r1.reason)