import multiprocessing as mp
from time import sleep
from random import random

def init(aa, vv):
    global a, v
    a = aa
    v = vv

def worker(i):
    print('Worker {} started'.format(i))
    sleep_time = random() * 10
    print('Worker {} going to sleep for {}'.format(i, sleep_time))
    sleep(sleep_time)
    a[i] = v.value * i
    print('Worker {} done'.format(i), v.value, a[:], v.value*i)

if __name__ == "__main__":
    N = 10
    a = mp.Array('i', [0]*N)
    v = mp.Value('i', 5)
    p = mp.Pool(processes=10, initializer=init, initargs=(a, v))
    p.map(worker, range(N))
    print(a[:])