from multiprocessing import Process, Queue
q_data = Queue()
def Worker():
    while not q_data.empty():
        #some code
        print q_data.get()
if __name__ == '__main__':
    for i in xrange(5):
        q_data.put(i)
    procs = []
    for i in xrange(5):
        p = Process(target=Worker)
        p.start
        procs.append(p)
   for p in procs:
       p.join()

def worker(queue):
    ...
def main():
    queue = Queue()
    ...
    for i in range(5):
        p = Process(target=worker, args=(queue,))
        p.start()
        ...