python selenium2 定位一组元素find_elements实例

打开hao123首页，需要定位以上区域中的所有链接，他们有相同的父元素<ul class="js_bd site-bd site-hd0">，所有链接处在li>a标签下

如下操作

#coding=utf-8
from selenium import webdriver
import time

base_url = "http://www.hao123.com"
driver = webdriver.Firefox()
driver.get(base_url)
s = driver.find_elements_by_css_selector("ul.js_bd.site-bd.site-hd0>li>a")
for i in s:
    print i.get_attribute("href")