python多进程

import multiprocessing
import time

def run():
    time.sleep(10)
    print('run...')

if __name__ == '__main__':
    for i in range(10):
        p = multiprocessing.Process(target=run)#加载新进程
        p.start()#启动新进程
    while multiprocessing.active_children(): #等待其他子进程运行结束
        pass