BS4.tag.sample.py

title_list.append((element.find_all("h3"))[0].contents)
    #<a href="http://togetter.com/li/887196">
    #<h3 title="TITLE">TITLE</h3>
    #</a>

page_url_list.append((element.find_all("a"))[0]["href"])
    #<a href="http://togetter.com/li/887196">

category_temp = element.find_all("a", {"class":"category_link"})
category_list.append(",".join([i.contents[0] for i in category_temp]))
    #<a class="category_link" href="http://togetter.com/top/social">社会</a>,<a class="category_link" href="http://togetter.com/top/social/10">政治</a> 

view_num_list.append(int(((element.find_all("span", {"class":"view_str"}))[0].contents)[0].get_text()))
    # span class="view_str"><span>502</span> view</span>