import asyncio
import aiohttp
import requests
from requests.auth import HTTPBasicAuth

live_url="https://api.safaricom.co.ke/oauth/v1/generate?grant_type=client_credentials"
app_key="up863hWneHvgTzQHTAKTRUPFmJOmx9GB"
app_secret="3HYLLjkSnTRBn2N5"
r = requests.get(live_url,auth=HTTPBasicAuth(app_key, app_secret))
def access_token():
    token=r.json()['access_token']
    return token
access_token()