PEP 380 – Syntax for Delegating to a Subgenerator § PEP 492 – Coroutines with async and await syntax § PEP-3156 – Asynchronous IO Support Rebooted: the "asyncio" Module § Jonas Obrist's "Artisanal Asyncio Adventures" Talks § CPython's asyncio module source code on GitHub § curio (https://github.com/dabeaz/curio) § trio (https://github.com/python-trio/trio) PyCon KR 2018