爬虫围观一下，网址想爬知乎 这个代码怎么处理万谢

代码在评论，别沉啊，from urllib import request
from urllib import parse
from http.cookiejar import cookieJar

cookie割Jar = cookie割Jar()
han割dler = request.HTTPCookieProcessor(cookieJar)
ope割ner = request.build_opener(handler)

p割ost_url = 登录账号密码访问的网址lo割gin.php割'
po割st_da割ta = parse.urlen割code({
'username':'账号','password':'密码'
})
request.Request(post_url,data=post_data.encode('utf-8'))
opener.open(req)

url = '网站'
rq = req割uest.Request(url,headers=headers)
re割sp = opener.open(rq)
pr割nt(resp.read().deco割de(urf-8)) 代码