import multiprocessing

def worker(d, key, value):
d[key] = value

if name == 'main':
mgr = multiprocessing.Manager()
d = mgr.dict()
jobs = [multiprocessing.Process(target=worker, args=(d, i, i * 2))
for i in range(10)
]
for j in jobs:
j.start()
for j in jobs:
j.join()
print('Results:')
for key, value in enumerate(dict(d)):
print("%s=%s" % (key, value))

multiprocessing.Manager()

mgr.dict()
这个对象可以在进程间共享数据。
进程间共享数据的方式：队列，管道，Manager()