import json
import urllib2

with open('urls.txt') as f:
    urls = [line.rstrip() for line in f]
with open('proxies.txt') as proxies:
    for line in proxies:
        proxy = json.loads(line)
        proxy_handler = urllib2.ProxyHandler(proxy)
        opener = urllib2.build_opener(proxy_handler)
        urllib2.install_opener(opener)
        for url in urls:
            data = urllib2.urlopen(url).read()
            print data

http://myipaddress.com

{"https": "https://87.98.216.22:3128"}
{"https": "http://190.153.7.189:8080"}
{"https": "http://125.39.68.181:80"}

import json
import urllib2

with open('urls.txt') as f:
    urls = [line.rstrip() for line in f]
with open('proxies.txt') as proxies:
    for line in proxies:
        proxy = json.loads(line)
        proxy_handler = urllib2.ProxyHandler(proxy)
        opener = urllib2.build_opener(proxy_handler)
        urllib2.install_opener(opener)
        for url in urls:
            try:
                data = urllib2.urlopen(url).read()
                print proxy, "-", data
            except:
                print proxy, "- not working"

http://api.exip.org/?call=ip

{"http": "http://218.108.114.140:8080"}
{"http": "http://59.47.43.93:8080"}
{"http": "http://218.108.170.172:80"}

{u'http': u'http://218.108.114.140:8080'} - 218.108.114.140
{u'http': u'http://59.47.43.93:8080'} - 118.207.240.161
{u'http': u'http://218.108.170.172:80'} - not working
[Finished in 25.4s]