1 
2 import webbrowser
3 import hashlib
4 
5 webbrowser.open("https://xkcd.com/353/")
6 
7 def geohash(latitude, longitude, datedow):
8     '''Compute geohash() using the Munroe algorithm.
9 
10     >>> geohash(37.421542, -122.085589, b'2005-05-26-10458.68')
11     37.857713 -122.544543
12 
13     '''
14     # https://xkcd.com/426/
15     h = hashlib.md5(datedow, usedforsecurity=False).hexdigest()
16     p, q = [('%f' % float.fromhex('0.' + x)) for x in (h[:16], h[16:32])]
17     print('%d%s %d%s' % (latitude, p[1:], longitude, q[1:]))
18