Function supervisor

20-executors/getflags/flags_asyncio.py:37–43

(cc_list: list[str])

    return asyncio.run(supervisor(cc_list))      # <2>

async def supervisor(cc_list: list[str]) -> int:
    async with AsyncClient() as client:          # <3>
        to_do = [download_one(client, cc)
                 for cc in sorted(cc_list)]      # <4>
        res = await asyncio.gather(*to_do)       # <5>

    return len(res)                              # <6>

if __name__ == '__main__':
    main(download_many)