23 lines
596 B
Python
23 lines
596 B
Python
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#!/usr/bin/env python3
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from time import sleep
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from random import randint
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from concurrent.futures import ThreadPoolExecutor, Future, wait, FIRST_COMPLETED
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results: list[int] = []
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def add_one(number: int) -> int:
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sleep(randint(0,2))
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return number + 1
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def main() -> None:
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executor = ThreadPoolExecutor(32)
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futures: list[Future] = [executor.submit(add_one, number) for number in range(10)]
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done, not_done = wait(futures, return_when=FIRST_COMPLETED)
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executor.shutdown(wait=False, cancel_futures=True)
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print(done.pop().result())
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if __name__ == "__main__":
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main()
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