小编Wil*_*ner的帖子

# file test.py
import asyncio
from inspect import iscoroutine
from typing import Any


async def a():
    print('run a')
    asyncio.sleep(1)
    return 1


async def b():
    # type: () -> Any
    print('run b')
    return a()


async def g():
    # type: () -> Any
    print('run g')
    s = b()
    while iscoroutine(s):
        print('in g', s)
        s = await s
    return s


if __name__ == '__main__':
    loop = asyncio.get_event_loop()
    a = loop.run_until_complete(g())
    print('finish ', a)

当使用python3.6.6运行以上代码时，我得到：

run g
in g <coroutine object b at 0x10a980938> …