python解析json

面我们通过python来取出想要的信息，比如我们想要rating,images里的large和summary

import urllib2
import json

html = urllib2.urlopen(r'http://api.douban.com/v2/book/isbn/9787218087351')

hjson = json.loads(html.read())

print hjson['rating']
print hjson['images']['large']
print hjson['summary']