MOOC_北理_python爬虫学习_3(Beautiful Soup库相关)

Beautiful Soup 库 Beautiful Soup 的使用。 >>> from bs4 import BeautifulSoup >>> soup = BeautifulSoup(' data ',"html.parser") '''parser为解析器。具体啥意思不知道。。。''' 实际操作: >>> import requests >>> r = requests.get("http://python123.io/ws/demo.html") >>> demo = r.text >>> from bs4 import BeautifulSoup >>> soup = Beaut