Python Awaitable Object


객체가 await 표현식에서 사용될 수 있을 때 어웨이터블 객체
asyncio API는 어웨이터블을 받아들이도록

[Python Coroutine](https://texonom.com/python-coroutine-052afc8f79ac4802b94e4f7c584f6db5)


[Python Task](https://texonom.com/python-task-e90a85ead39c44c49fe9b73746a78a83)


[Python Future](https://texonom.com/python-future-57650896e0a74b8fac2094ce9c58733e)












