python进程的交流方式

from multiprocessing import Process, Queue

def addone(q):   

q.put(1)

def addtwo(q):   

q.put(2)

if __name__ == '__main__':   

q = Queue()   

p1 = Process(target=addone, args = (q, ))   

p2 = Process(target=addtwo, args = (q, ))   

p1.start()   

p2.start()   

p1.join()   

p2.join()   

print(q.get())   

print(q.get())

1

2