soup = bs(html_doc,"html.parse")

print(soup.title.string)#当title不止一个时会报错

print(soup.title.get_text())

print(soup.a)

print(soup.find(id="link2").get_text)

print(soup.find(id="link2").string)

#print(soup.findAll("a").string)

for link in soup.findAll("a"):
    print(link.string)

print(soup.find("p",{"class":"story"}))