问题遇到的现象和发生背景
输出问题main()里写几就输出第几个多少次,例如main(7)就是排名第七的7次!
问题相关代码,请勿粘贴截图
``````#e24.1CrawUnivRanking.py
import requests
import bs4
from bs4 import BeautifulSoup
allUniv = []
def getHTMLTEXT(url):
try:
r = requests.get(url,timeout=30)
r.raise_for_status()
r.encoding = "utf-8"
return r.text
except:
return ""
def fillUnivList(soup):
data = soup.find_all("tr")
for tr in data:
ltd = tr.find_all("td")
if len(ltd)==0:
continue
singleUniv = []
for td in ltd:
singleUniv.append(td.text.strip())
allUniv.append(singleUniv)
def printUnivList(num):
print("{:^4}{:^10}{:^5}{:^8}{:^10}".format
("排名","学校名称","省市","总分","办学层次"))
for i in range(num):
u = allUniv[i]
for i in range(num):
if i is None:
i = 0
print("{:^4}{:^10}{:^5}{:^8}{:^10}".format
(u[0],u[1],u[2],u[4],u[5]))
def main(num):
url = "https://www.shanghairanking.cn/rankings/bcur/2022"
html = getHTMLTEXT(url)
soup = BeautifulSoup(html,"html.parser")
fillUnivList(soup)
printUnivList(num)
main(5)
运行结果及报错内容
排名 学校名称 省市 总分 办学层次
5 复旦大学 Fudan University 双一流/985/211 上海 697.8 35.9
5 复旦大学 Fudan University 双一流/985/211 上海 697.8 35.9
5 复旦大学 Fudan University 双一流/985/211 上海 697.8 35.9
5 复旦大学 Fudan University 双一流/985/211 上海 697.8 35.9
5 复旦大学 Fudan University 双一流/985/211 上海 697.8 35.9
我想要达到的结果
想要正常输出