下面代码中，BeautifulSoup指什么？from bs4 import BeautifulSoup
举一反三
- 获得soup中，能够获得一个a标签全部属性的代码是哪个？ A: om bs4 import BeautifulSoup B: up = BeautifulSoup(demo, "html.parser") C: soup.a.attrs[0] D: soup.a[0].attrs E: soup.a.attrs F: soup.a.attrs[]
- 以下哪一个第三方库是用来解析HTML/XML 文件的？ A: requests B: urllib C: bs4（BeautifulSoup 4 ） D: matplotlib
- 以下哪一个第三方库不是用来解析HTML/XML 文件的？ A: requests B: bs4（BeautifulSoup 4 ） C: xpath D: 正则表达式re
- BeautifulSoup的对象类型中，常见的有（ ）。
- 有下列代码，请分析并判定执行结果为（ ）。 html_doc = """ <html><head><title>The Dormouse's story</title></head> <body> <p class="title"><b>The Dormouse's story</b></p> <p class="story">Once upon a time there were three little sisters; and their names were <a href="http://example.com/elsie" class="sister" id="link1">Elsie</a>, <a href="http://example.com/lacie" class="sister" id="link2">Lacie</a> and <a href="http://example.com/tillie" class="sister" id="link3">Tillie</a>; and they lived at the bottom of a well.</p> <p class="story">...</p> """ from bs4 import BeautifulSoup soup = BeautifulSoup(html_doc) print(soup.find_all('a'))