multiprocess_demo.py

from multiprocessing import Pool, cpu_count
import time
from random import randint


def roll(dice=1, sides=6):
    try:
        return [randint(1, sides) for i in range(dice)]
    except:
        return []


def f(x):
    time.sleep(roll(1, 6)[0])
    return x


if __name__ == '__main__':
    p = Pool(cpu_count())
    for item in p.imap(f, range(100)):
        print item