from urllib.request import urlopen

url = 'http://www.baidu.com'

resp = urlopen(url)

with open('mybaidu.html', mode='wb') as f:
    f.write(resp.read())

print('over')

urllib:该库可操作URL

urllib.request：打开/读取url

urllib.error：有urllib.request抛出的异常

urllib.parse：解析URL

urllib.robotparse：解析robots.txt文件

urlopen(url)：打开url地址

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mybaidu.html效果