# 忽略安全
import urllib.request
import ssl


def download(url):
    return urllib.request.urlopen(url).read()
print(download('https://www.baidu.com'))

context = ssl._create_unverified_context()  # 忽略安全
url = 'https://www.baidu.com'
headers = {
'User-Agent': 'Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Mobile Safari/537.36'
}
req = urllib.request.Request(url=url, headers=headers)
res = urllib.request.urlopen(req, context=context)
print(res.read())