import urllib

import urllib2

import requests

url = "http://www.blog.pythonlibrary.org/wp-content/uploads/2012/06/wxDbViewer.zip"

print "downloading with urllib"

urllib.urlretrieve(url, "code1.zip")

print "downloading with urllib2"

f = urllib2.urlopen(url)

data =  f.read()

with open("code2.zip", "wb") as code:

    code.write(data)

print "downloading with requests"

r = requests.get(url)

with open("code3.zip", "wb") as code:

    code.write(r.content)