Alternative constructors with @classmethod

.py

import requests

class QuotesAPIClient:
    def __init__(self, baseurl, session):
        self._baseurl = baseurl
        self._session = session

    @classmethod
    def default(cls, api_token):
        session = requests.Session()
        session.headers['Authorization'] = f'bearer {api_token}'
        session.headerr['Accept'] = 'application/json'
        return cls(baseurl='https://quotes.example.com/api', session=session)

    def get_all(self):
        url = self._baseurl + '/quotes'
        r = self._session.get(url)
        r.raise_for_status()
        return r.json()