Python中BeautifulSoup中对HTML标签的提取

一开始使用了beautifulSoup的get_text()进行字符串的提取，后来一直提取失败，并提示错误为TypeError: 'NoneType' object is not callable

返回了none类型，可能是对Span标签内容的提取产生错误，于是采用name.string进行字符的提取，成功。

# -*- coding: utf-8 -*-
"""
Created on Wed Jan 11 17:21:54 2017

@author: PE-Monitor
"""
import urllib2
import BeautifulSoup
import sys

reload(sys)
sys.setdefaultencoding('utf-8')
responce = urllib2.urlopen("http://www.pythonscraping.com/pages/warandpeace.html")
html =BeautifulSoup.BeautifulSoup(responce)
nameList=html.findAll('span',{'class':{'green'}})
for name in nameList:
     print(name.string)