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做一个爬虫程序，爬取页面的url为：http://books.toscrape.com，打印该页面的标题（<title>标记）和第一个超链接的文本（<a>标记import requests
from lxml import etree
def main():
url = 'http://books.toscrape.com/'
headers = {'user-agent': 'firefox'}
r = requests.get(url, headers=headers)
html = etree.HTML(r.text)
title = html.xpath('normalize-space(//title/text())')
link = html.xpath('//a[@href]/text()')
print(title)
print(link)
if __name__ == '__main__':
main()
页:
[1]