python 多进程

from time import ctime,sleep,time
import multiprocessing
def super_play(file_, t):
    for i in range(2):
        print("Start playding: %s! %s"% (file_,ctime()))
        sleep(t)
lists={"天边.mp3":3,"廊桥遗梦.rmvb":5,"壮志凌云。avi":4}
lists_len = range(len(lists))
threads = []
for file,t in lists.items():
    p = multiprocessing.Process(target=super_play,args=(file,t))
    threads.append(p)
if __name__=="__main__":
    start = time()
    for i in lists_len:
        threads[i].start()
    for i in lists_len:
        threads[i].join()
    end = time()
    ge = round((end-start),1)
    print("共耗时%s秒"%ge)

参照廖雪峰和菜鸟教程，