Revert the process of url shortening: Traverse and show redirects of a URL.

urlextender.py

#!/usr/bin/env python3
import sys, requests

USER_AGENT = 'Mozilla/5.0 (Windows NT 6.3; rv:44.0) Gecko/20100101 Firefox/44.0'

if __name__ == '__main__':
    if len(sys.argv) != 2:
        print('Usage: urlextender.py <url>')
        sys.exit(1)

    r = requests.get(sys.argv[1], headers={'User-Agent': USER_AGENT})
    for h in r.history:
        print(h.url)
    print(r.url)