multiprocessing3_queue.py

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import multiprocessing as mp

def job(q):
    res = 0
    for i in range(1000):
        res += i+i**2+i**3
    q.put(res) # queue

if __name__ == '__main__':
    q = mp.Queue()
    p1 = mp.Process(target=job, args=(q,))
    p2 = mp.Process(target=job, args=(q,))
    p1.start()
    p2.start()
    p1.join()
    p2.join()
    res1 = q.get()
    res2 = q.get()
    print(res1+res2)