import urllib2
import ast 
def url(): 
  url = "https://api.vk.com/method/wall.get?owner_id=-28689448&domain=http://vk.com/stancee&offset=2&count=1&filter=owner&extended=0&fields=0"
  response = urllib2.urlopen(url) 
  text = response.read() 
  post_info = ast.literal_eval(text) 
  return post_info['response'][0]['attachments'] 
music = url()

import json
json.loads(value)