python request.post for oauth2 token error

Below my code to get an oauth2 token,which always returns a 900114 error 'request body must contain grant_type' However if data contains only grant_type then it errors because scope is missing

I dont seem to be able to put both grant_type and scope in data

where am i going wrong?

#ver 24/01/26

import requests

import json

import sys

def get_new_token():

client_id = "xxxx"  

client_secret = "yyyy" 

tenant_id = "zzzz" 

scopes= "https://graph.microsoft.com/.default"

auth_server_url =  f"https://login.microsoftonline.com/{



data={'grant_type':'client_credentials','scope':scopes}

auth_header =  (client_id,client_secret)



response = requests.post(auth_server_url,json =data,auth=auth_header,headers={"Content-Type":"application/x-www-form-urlencoded"})



token_response=response.json()

print("New Token: ", token_response.get('access_token'))

print(type(response))

print(response.status_code)

print(response.content)

tokens = json.loads(response.text)
token = get_new_token()