import re    import urllib    import os        def rename(name):         name = name + '.jpg'        return name          def getHtml(url):        page = urllib.urlopen(url)        html = page.read()        return html        def getImg(html):        reg = r'src="(.+?\.jpg)" pic_ext'        imgre = re.compile(reg)        imglist = re.findall(imgre,html)                        os.chdir("E:\\pic")          os.getcwd()         x=1        for imgurl in imglist:            img=urllib.urlopen(imgurl)                                      name=str(x)              name = rename(name)              print(name)             x=x+1                        f=open(name,'wb')            f.write(img.read())             f.close()                           html = getHtml("http://tieba.baidu.com/p/3553148164")    getImg(html)    print 'pic save!'