python - coroutine

coroutine.py

import asyncio


async def wait():
    print('Waiting')
    for x in range(10 ** 100):
        z = 10 + 20
    print('Done')


def main():
    coroutines = [wait() for x in range(0, 10)]

    loop = asyncio.get_event_loop()
    loop.run_until_complete(asyncio.wait(coroutines))


if __name__ == '__main__':
    main()