RosettaCodeData/Task/URL-decoding/Python/url-decoding.py

#Python 2.X
import urllib
print urllib.unquote("http%3A%2F%2Ffoo%20bar%2F")
#Python 3.5+
from urllib.parse import unquote
print(unquote('http%3A%2F%2Ffoo%20bar%2F'))