python 中十六进制如何转中文？？

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import requests,urllib2
from bs4 import BeautifulSoup
import sys

def get_img(url):
wb = requests.get(url)
wb.encoding = "utf-8"
soup = BeautifulSoup(wb.text,'lxml')
img_url = soup.select('#Zoom img')
if img_url == []:
return False
else:
return img_url[0].get('src')


def get_title(url):
wb = requests.get(url)
wb.encoding = "utf-8"
soup = BeautifulSoup(wb.text,'lxml')
title = soup.select("a[href='#']")
return title

def get_url(Url):
wb = requests.get(Url)
wb.encoding = ''
soup = BeautifulSoup(wb.text,'lxml')
title = soup.select('.ulink')
url = soup.select('.ulink')
titles_urls = []
for x,y in zip(title,url):
reload(sys)
sys.setdefaultencoding('utf-8')
data = {
'title': x.get_text().split("《")[1].split("/")[0].split("》")[0],
'url':y.get('href'),
}

titles_urls.append(data)
return titles_urls


for z in range(1,100):
url = 'http://www.ygdy8.net/html/gndy/dyzz/list_23_%d.html' %z
for x in get_url(url):
u = get_img("http://www.ygdy8.net"+str(x['url']))
if u != False:
print u
print x['title']
y = str(x['title'])
with open('imgs/'+str(y)+'.jpg', "wb") as f:
f.write(requests.get(u).content)
print "第%d 页" %z


运行结果：

https://ws3.sinaimg.cn/mw690/81298caagw1f7mwfo0otfj21kw29ku0x.jpg
琼斯的自由国度
Traceback (most recent call last): with open('imgs/'+str(y)+'.jpg', "wb") as f:
IOError: [Errno 2] No such file or directory: 'imgs/\xe7\x90\xbc\xe6\x96\xaf\xe7\x9a\x84\xe8\x87\xaa\xe7\x94\xb1\xe5\x9b\xbd\xe5\xba\xa6.jpg'
[Finished in 0.7s with exit code 1]