Olvasd el a kódot figyelmesen

import asyncio


async def task(name, delay, fail=False):
    await asyncio.sleep(delay)
    if fail:
        print(f"raise:{name}")
        raise ValueError(name)
    print(f"done:{name}")


async def main():
    try:
        async with asyncio.TaskGroup() as tg:
            tg.create_task(task("A", 0.01))
            tg.create_task(task("B", 0.05, fail=True))
            tg.create_task(task("C", 0.10))
    except* ValueError as eg:
        print(f"caught:{len(eg.exceptions)}")
    print("after")


asyncio.run(main())

Mit ír ki a program? Írd ide: