#from multiprocessing import Pool

from multiprocessing.dummy import Pool as ThreadPool

import requests

urls = [

    'http://www.python.org',

    'http://www.python.org/about/',

    'http://www.onlamp.com/pub/a/python/2003/04/17/metaclasses.html',

    'http://www.python.org/doc/',

    'http://www.python.org/download/',

    'http://www.python.org/getit/',

    'http://www.python.org/community/',

    'https://wiki.python.org/moin/',

    'http://planet.python.org/',

    'https://wiki.python.org/moin/LocalUserGroups',

    'http://www.python.org/psf/',

    'http://docs.python.org/devguide/',

    'http://www.python.org/community/awards/',

    'http://www.python.org/community/fuck/'

    # etc..

    ]

pool = ThreadPool(4)   # Sets the pool size to 4

def code(x):

    r = requests.get(x)

    _code = r.status_code

    print(f"{x}     状态码是:{_code}")

results = pool.map(code, urls)

pool.close()

pool.join()