demo.py

import pyrebase
config = {
    "apiKey": "hidden",
    "authDomain": "hidden",
    "databaseURL": "hidden",
    "projectId": "hidden",
    "storageBucket": "hidden",
    "messagingSenderId": "hidden"
}

firebase = pyrebase.initialize_app(config)

auth = firebase.auth()
email = input("Enter the email : ")
password = input("Enter the pass : ")
user = auth.sign_in_with_email_and_password(email,password)