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# ch6/example2.py

from multiprocessing import Process, current_process

import time

def f1():

pname = current_process().name

print('Starting process %s...' % pname)

time.sleep(2)

print('Exiting process %s...' % pname)

def f2():

pname = current_process().name

print('Starting process %s...' % pname)

time.sleep(4)

print('Exiting process %s...' % pname)

if __name__ == '__main__':

p1 = Process(name='Worker 1', target=f1)

p2 = Process(name='Worker 2', target=f2)

p3 = Process(target=f1)

p1.start()

p2.start()

p3.start()

p1.join()

p2.join()

p3.join()