create file of valid web proxies usuing python

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Project Budget (USD)
$30 - $250

Project Description:
I need a simple script that automatically gets a list of possible valid web proxies. Program must be in written in python.
1.) program must pull proxy list (instead of push)
2.) program pulls from at least 3 different webpages/sources
3.) each source page should return at least 15 proxies (I can provide the test script to determine if a proxy is valid.)
4.) cant use vpngeeks, 2freeproxy, or [url removed, login to view]

Skills required:
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