Python awaitasync: wait both async and sync in one function

awaitboth.py

import asyncio

def unzip(l):
    return zip(*l)

def merge(*itrs):
    from itertools import chain
    return chain.from_iterable(itrs)

async def wait(l):
    async def wait_each(x):
        if asyncio.iscoroutine(x):
            return await x
        return x

    _all = list(map(wait_each, l))
    vals = await asyncio.gather(*_all)
    return vals

async def plus(a, b):
    await asyncio.sleep(1)
    return a + b

async def test():
    l = await wait([1, 0, plus(1, 2), plus(2, 5)])
    print(l)

loop = asyncio.get_event_loop()
loop.run_until_complete(test())
loop.close()