import urllib.request
url="https://www.douban.com"
headers={
"User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36"
}
req=urllib.request.Request(url=url,headers=headers)
response=urllib.request.urlopen(req)
print(response.read().decode("utf-8"))