python简单小爬虫爬取易车网图片

上代码：

 import requests,urllib.request
 from bs4 import BeautifulSoup
 url = 'http://photo.bitauto.com/'
 header = {'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 UBrowser/5.7.16173.12 Safari/537.36'}
 source_code = requests.get(url,headers = header)
 # print (source_code)
 plain_text = source_code.text
 # print (plain_text)
 Soup = BeautifulSoup(plain_text)
 # print (Soup)
 download_link = []
 folder_path = 'F:/pictures_py/cars/'
 for pic_tag in Soup.find_all('img'):
     pic_link = pic_tag.get('src')
     download_link.append(pic_link)
 # print (download_link)
 for item in download_link:
     urllib.request.urlretrieve(item,folder_path + item[-10:])
     print ('done')