多进程小demo

#coding=utf-8
#author=murongtiedan

import time
import random
from multiprocessing import Process



def foo(i):
    print("进程"+str(i)+"启动。。。"+"当前时间："+str(time.ctime()))
    time.sleep(random.uniform(1,3))
    print("进程" + str(i) + "终止！！！"+"当前时间："+str(time.ctime()))


print(__name__)
if __name__ == '__main__':
    print("全部进程开始！")
    p_ls = list()
    for i in range(4):
        p_ls.append(Process(target=foo,args=(i,)))
    for p in p_ls:
        p.start()
    for p in p_ls:
        p.join()
    print("全部进程终止！")