爬中国大学排名网站内容

import requests
url="https://http://www.zuihaodaxue.com/zuihaodaxuepaiming2018.html/"
def gethtml(url):
    try:
        r=requests.get(url)
        r.raise_for_status()
        r.encoding="utf-8"
        print("text内容:",r.text)
    except:
        return "Error!"
for i in range(20):
    print(gethtml(url))