Python--多进程

# 想利用多核cpu,那么就使用多进程
import multiprocessing
import time
import threading


def run2():
    print('这是多线程启动的')


def run():
    time.sleep(2)
    print('多进程')
    for j in range(5):
        t = threading.Thread(target=run2)
        t.start()

if __name__ == '__main__':
    for i in range(5):
        p = multiprocessing.Process(target=run)
        p.start()