import requests from bs4 import BeautifulSoup import bs4 url = "http://www.zuihaodaxue.cn/zuihaodaxuepaiming2019.html" ulist = []# 獲取HTML頁面 def getHTML(url):try:r = requests.get(url, timeout=30)r.raise_for_status()r.encoding = r.apparent_encodingreturn r.textexcept:print("異常")return ""# 提取排名信息 def getUniv(ulist, html):soup = BeautifulSoup(html, "html.parser")for tr in soup.tbody.children:if isinstance(tr, bs4.element.Tag): # tr是bs4語句tds = tr('td')ulist.append([tds[0].string, tds[1].string, tds[2].string, tds[3].string])return ulist# 輸出排名信息 def readUniv(ulist):s = eval(input("請輸入要查詢前多少名大學："))print("前{}名的排名如下：".format(s))print("{:^3}\t{:^20}\t{:^10}\t{:^5}".format("排名", "學校名稱", "城市", "分數"))for i in range(s):u = ulist[i]print("{:^3}\t{:^20}\t{:^10}\t{:^5}".format(u[0], u[1], u[2], u[3]))html = getHTML(url) ulist = getUniv(ulist, html) readUniv(ulist)

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