运行环境python3
from urllib.request import urlopen; //导入urllib.request中的urlopen方法
page = urlopen('http://www.google.com/'); //打开页面
print('The site status:', page.getcode()); //打印请求状态
print('The site url:', page.geturl()); //打引所请求的url
text = page.read().decode('utf8'); //读取页面内容,字符串类型
print(text[100:200]);
print(text[10:50].upper());
print(text[0:10].endswith('.jpg'));
print(text[0:10].find('!'));
page.close();
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