python爬虫学习--下载图片

#coding=utf-8import urllib.requestimport urllib.parseimport reurl="http://tieba.baidu.com/p/2772656630"def get_content(url):    '''    :param url:    :return:    '''    html=urllib.request.urlopen(url)    content=html.read().decode("utf-8")    html.close()    return contentinfo=get_content(url)def get_images(info):    '''    :param info:    :return:    '''    regex=r'class="BDE_Image" src="(.+?\.jpg)"'    pat=re.compile(regex)    image_code=re.findall(pat,info)    i=0    for url in image_code:        urllib.request.urlretrieve(url,'C:\\Users\\jack\\Desktop\\myimage\\%s.jpg'%i)        i+=1get_images(info)