UA伪装

# _*_ coding::utf_8 _*_
import urllib.request
import urllib.parse
url="https://www.bilibili.com/"
headers={
'User-Agent':'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_8; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 '
}
request=urllib.request.Request(url=url,headers=headers) # url=url,headers=headers要写全
response=urllib.request.urlopen(request)
print(response.read().decode())