打印網(wǎng)頁內(nèi)容不正確，第一種出來 b' ',第二種不顯示，請教一下怎么處理。使用的Python3

代碼為：

url?=?()
response1?=?request.urlopen(url)
(response1.getcode())
((response1.read()))
((response1.read()))

()
req?=?request.Request(url)
req.add_header()
response2?=?request.urlopen(req)
(response2.getcode())
((response2.read()))
(response2.read().decode())

()
cj?=?cookiejar.CookieJar()
opener?=?request.build_opener(request.HTTPCookieProcessor(cj))
request.install_opener(opener)
response3?=?request.urlopen(url)
(response3.getcode())
((response3.read()))
(cj)
(response3.read().decode())

結(jié)果如圖：