问如果您使用python脚本进行调用，如何获取API令牌

EN

import requests
import json

params = {
    "grant_type": "password",
    "client_id": "client_id", # Consumer Key
    "client_secret": "client_secret", # Consumer Secret
    "username": "username", # The email you use to login
    "password": "password + unique_security_key"}

headers = {'content_type':'application/x-www-form-urlencoded'}

r = requests.post("https://login.salesforce.com/services/oauth2/token", params=params, headers=headers)
access_token = r.json().get("access_token")
instance_url = r.json().get("instance_url")
print("Access Token:", access_token)
print("Instance URL", instance_url)