简单爬取大学排名

import requests
import bs4
from bs4 import BeautifulSoup

def getHMTLText(url):
    try:
        r=requests.get(url,timeout=30)
        r.raise_for_status()
        r.encoding=r.apparent_encoding
        return r.text
    except:
        return 'false'

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[2].string,tds[3].string])

def printUnivList(ulist,num):
    tplt='{0:^10}\t{1:{4}^10}\t{2:^10}\t{3:^10}\t'
    print(tplt.format("排名","学校","城市","总分",chr(12288)))
    for i in range(num):
        u=ulist[i]
        print(tplt.format(u[0],u[1],u[2],u[3],chr(12288)))
    
    
def main():
    uinfo=[]
    url='http://www.zuihaodaxue.com/zuihaodaxuepaiming2019.html'
    html=getHMTLText(url)
    fillUnivList(uinfo,html)
    printUnivList(uinfo,20)
main()