from multiprocessing import Process, Queue

def f(datasize, q):
    q.put(range(datasize))

def demo(datasize = 40*1024*1024, timeout = None):
    q = Queue()
    worker = Process(target=f, args=[datasize,q])
    worker.start()
    
    try:
        data = q.get(timeout = timeout)
    finally:
        worker.join()

print "Hello."
demo(timeout=1)
print "Happy."