GeneratorBremena.py

from multiprocessing import Process
import os
import time
import sys
def f_sleep():
    time.sleep(1)

if __name__ == '__main__':
    import datetime
    starttime = datetime.datetime.now()

    processes = []
    PROCESS_COUNT = int(sys.argv[1])
    for i in range(PROCESS_COUNT):
        p = Process(target=f_sleep)
        processes.append(p)
        p.start()
    for i in range(PROCESS_COUNT):
        processes[i].terminate()
    now = datetime.datetime.now()
    print ("Started/stopped %d processes in %s seconds" % (len(processes), str(now-starttime)))