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python asyncio gather

Ciprian Galbeaza answered on June 10, 2022 Popularity 9/10 Helpfulness 3/10

answer python asyncio gather

related asyncio.gather

python asyncio gather

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import asyncio

async def factorial(name, number):
    f = 1
    for i in range(2, number + 1):
        print(f"Task {name}: Compute factorial({number}), currently i={i}...")
        await asyncio.sleep(1)
        f *= i
    print(f"Task {name}: factorial({number}) = {f}")
    return f

async def main():
    # Schedule three calls *concurrently*:
    L = await asyncio.gather(
        factorial("A", 2),
        factorial("B", 3),
        factorial("C", 4),
    )
    print(L)

asyncio.run(main())

# Expected output:
#
#     Task A: Compute factorial(2), currently i=2...
#     Task B: Compute factorial(3), currently i=2...
#     Task C: Compute factorial(4), currently i=2...
#     Task A: factorial(2) = 2
#     Task B: Compute factorial(3), currently i=3...
#     Task C: Compute factorial(4), currently i=3...
#     Task B: factorial(3) = 6
#     Task C: Compute factorial(4), currently i=4...
#     Task C: factorial(4) = 24
#     [2, 6, 24]

Popularity 9/10 Helpfulness 3/10 Language python

Source: docs.python.org

Tags: gather python python-asyncio

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Contributed on Jun 10 2022

Ciprian Galbeaza

0 Answers Avg Quality 2/10

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asyncio.gather

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async def main():
    task1 = asyncio.create_task(
        say_after(1, 'hello'))

    task2 = asyncio.create_task(
        say_after(2, 'world'))

    print(f"started at {time.strftime('%X')}")

    # Wait until both tasks are completed (should take
    # around 2 seconds.)
    await task1
    await task2

    print(f"finished at {time.strftime('%X')}")

Popularity 9/10 Helpfulness 2/10 Language python

Source: docs.python.org

Tags: python py

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Contributed on Aug 06 2022

Yayo

0 Answers Avg Quality 2/10

python asyncio gather

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