from urllib.request import urlretrieve  # #下载网络文件到本地
import os
os.chdir("C:/Users/RankFan/Desktop/空间计量经济学")
for i in range(4, 6):
   url = f‘http://www.mysmu.edu/faculty/zlyang/ECON6002_21-Web/Chap{i}-2021T2.pdf‘
   print(url)
   name = url.split(‘/‘)[-1]
   print(name)
   urlretrieve(url, filename=name)
原文:https://www.cnblogs.com/RankFan/p/15170048.html