async_list_lock.py

import asyncio

shared_list = []
list_lock = asyncio.Lock()

async def add_to_list(item):
    async with list_lock:
        shared_list.append(item)

async def remove_from_list(item):
    async with list_lock:
        shared_list.remove(item)

async def main():
    tasks = []

    print("Je remplis la liste partagée")
    for i in range(10):
        tasks.append(asyncio.create_task(add_to_list(i)))

    await asyncio.gather(*tasks)
    print(shared_list)

    print("Je vide la liste partagée")
    for i in range(10):
        tasks.append(asyncio.create_task(remove_from_list(i)))

    await asyncio.gather(*tasks)
    print(shared_list)

asyncio.run(main())