爬虫

 import requests
  from bs4 import BeautifulSoup
  import bs4
 
  def getHTMLText(url):
      try:
          r = requests.get(url, timeout=30)
          r.raise_for_status()
          r.encoding = r.apparent_encoding
        return r.text
     except:
         return ""
 
 def fillUnivList(ulist, html):
     soup = BeautifulSoup(html, "html.parser")
     for tr in soup.find('tbody').children:
         if isinstance(tr, bs4.element.Tag):
             tds = tr('td')
             ulist.append([tds[0].string, tds[1].string, tds[3].string])
 def printUnivList(ulist, num):
     tplt = "{0:^10}\t{1:{3}^10}\t{2:^10}"
     print(tplt.format("排名","学校名称","总分",chr(12288)))
     for i in range(num):
         u=ulist[i]
         print(tplt.format(u[0],u[1],u[2],chr(12288)))
     
 def main():
     uinfo = []
     url = 'http://www.zuihaodaxue.cn/zuihaodaxuepaiming2016.html'
     html = getHTMLText(url)
     fillUnivList(uinfo, html)
     printUnivList(uinfo, 20) # 20 univs
 main()