python 下载文件到文件夹下的问题

方法一：

import urllib import urllib2 import requestsprint "downloading with urllib" url = 'http://www.pythontab.com/test/demo.zip'  print "downloading with urllib"urllib.urlretrieve(url, "demo.zip")

方法二：

import urllib2print "downloading with urllib2"url = 'http://www.pythontab.com/test/demo.zip' f = urllib2.urlopen(url) data = f.read() with open("demo2.zip", "wb") as code:         code.write(data)

方法三：

import requests print "downloading with requests"url = 'http://www.pythontab.com/test/demo.zip' r = requests.get(url) with open("demo3.zip", "wb") as code:     code.write(r.content)