terminal tinkoff api v2 to log in and display the financial result

def terminal_tinkoff(account_id, password):

    import requests
    import json
    import pandas as pd
    from datetime import datetime

    session = requests.Session()
    session.headers.update({
        'Accept': 'application/json',
        'Content-Type': 'application/x-www-form-urlencoded',
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36'
    })

    def token(account, password):
        url = 'https://api-invest.tinkoff.ru/openapi/sandbox/sandbox/auth'
        data = {
            'brokerAccountId': account,
            'password': password
        }
        r = session.post(url, data=data)
        return json.loads(r.text)['payload']['token']

    def balance(token):
        url