day10_多线程2

# 多线程把六个网站写到文件里(串行)

import requests,time,threading

def write_html(url,name):

     r = requests.get(url)

     with open(name,‘w‘,encoding = ‘utf8‘) as f:

          f.write(r.text)

urls =[‘www.nnzhp.cn‘,‘www.besttest.cn‘,‘www.imdsx.cn‘,‘sb.nnzhp.cn‘,‘bbs.besttest.cn‘,‘video.besttest.cn‘]

start_time = time.time()

for url in urls: # 循环每个url

    new_url = ‘http://‘ + url #六个网站

    file_name = url + ‘.html‘ # 写入的六个html文件

    write_html(new_url,file_name) # 串行

end_time = time.time()

print(‘程序总共运行了‘, end_time - start_time)