import requests

params = {
    "grant_type": "password",
    "client_id": "3MVG9G9pzCUSkzZt_wqRo655usHzMNgnb6IgOYf_s_gWd0OwGaLhKWjfZLHGACdqvq5tRif1tbgs5tZ9PHpzK", # Consumer Key
    "client_secret": "073F32B34AE9A146336BCB467097A4FCC3F384EB9748CD69E81D9F2650866D1A", # Consumer Secret
    "username": "[email protected]", # The email you use to login
    "password": "thutechs@2015" # Concat your password and your security token
}

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