examples async/await asyncio concurrency python3

asyncio_ex1.py

import asyncio

async def c1():
    print("c1 begin")
    await asyncio.sleep(1)
    print("c1 end")
    return

async def c2():
    print("c2 begin")
    await asyncio.sleep(3)
    print("c2 end")
    return

async def main():
    
    tasks = []
    tasks.append(asyncio.create_task(c1()))
    tasks.append(asyncio.create_task(c2()))

    for t in tasks:
        await t

if __name__ == "__main__":
    asyncio.run(main())

asyncio_ex2.py

import asyncio

async def answer():
    print(42)

async def main():
    await answer()

asyncio.run(main())

resources.md

• https://github.com/crazyguitar/pysheeet/blob/master/docs/appendix/python-concurrent.rst
• https://hynek.me/articles/waiting-in-asyncio/
• https://docs.python.org/3/library/asyncio-task.html