[python][asyncio] asyncio.waitを用いたサンプル

asyncio_evloop_wait.py

import asyncio


async def factorial(id: int, number: int):
    f = 1
    for i in range(2, number + 1):
        print(f'[{id}]: compute {i} ...')
        await asyncio.sleep(1)
        f *= i
    print(f'[{id}]: factorial {number} = {f}')


async def main():
    print('begin')

    futures = [factorial(i, i) for i in range(2, 10)]
    await asyncio.wait(futures)

    print('end')


if __name__ == "__main__":
    asyncio.run(main())