为什么我按老师的，运行出来这个

源码

import urllib2

from pip._vendor.requests.api import request

import cookielib

url = "http://www.baidu.com"

print '��һ�ַ���'

response1 = urllib2.urlopen(url)

print response1.getcode()

print len(response1.read())

print "�ڶ��ַ���"

request = urllib2.Request(url)

request.add_header("user-agent","Mozilla/5.0")

response2 = urllib2.urlopen(request)

print response2.getcode()

print len(response2.read())

print '�����ַ���'

cj = cookielib.CookieJar()

opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))

urllib2.install_opener(opener)

response3 = urllib2.urlopen(url)

print response3.getcode()

print cj

print response3.read()

SyntaxError: Non-ASCII character '\xef' in file D:\eclipse_code\imooc\src\test\test_urlib2.py on line 8, but no encoding declared; see http://python.org/dev/peps/pep-0263/ for details