<随便写>同步,异步进程池,线程

from multiprocessing import Pool

import time

import os

def work(n):

	print("%s run" % os.getpid())

	time.sleep(1)

	return n ** 2

if __name__ == '__main__':

	p = Pool(5)

	res_l = []

	for i in range(10):

		# res = p.apply(work, args=(i,)) #同步

		res = p.apply_async(work, args=(i,)) #异步

		res_l.append(res)

	p.close()

	p.join()

	for res in res_l:

		print(res.get())

　　

from threading import Thread

import time

import os

def work(n):

	print("%s run" % os.getpid())

	time.sleep(1)

	return n ** 2

if __name__ == '__main__':

	res_l = []

	for i in range(10):

		t = Thread(target=work, args=(i,))

		res_l.append(t)

		t.start()

	for res in res_l:

		print(res)

	print("主进程")