import datetime as dt
from gs_quant.markets.indices_utils import get_flagships_with_assets
from gs_quant.session import Environment, GsSession
client = 'CLIENT ID'
secret = 'CLIENT SECRET'
GsSession.use(Environment.PROD, client_id=client, client_secret=secret, scopes=('read_product_data',))
get_flagships_with_assets(identifiers=['AAPL UW, MSFT UW'], as_of=dt.date(2021, 1, 7)) # insert list of assets using any common identifier (bbid, ric, etc.)