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https://github.com/python/cpython
09 December 2020, 11:06:31 UTC
Revision 944db38cb720b511aad5d7850dec71402e7e2725 authored by Raymond Hettinger on 26 May 2015, 17:35:15 UTC, committed by Raymond Hettinger on 26 May 2015, 17:35:15 UTC 
Issue #23509: Speed up Counter operators
 
(Based on patch by Serhiy Storchaka.)
1 parent 06f155f
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Tip revision: 944db38cb720b511aad5d7850dec71402e7e2725 authored by Raymond Hettinger on 26 May 2015, 17:35:15 UTC
Issue #23509: Speed up Counter operators
Tip revision: 944db38
antigravity.py 

import webbrowser
import hashlib

webbrowser.open("http://xkcd.com/353/")

def geohash(latitude, longitude, datedow):
    '''Compute geohash() using the Munroe algorithm.

    >>> geohash(37.421542, -122.085589, b'2005-05-26-10458.68')
    37.857713 -122.544543

    '''
    # http://xkcd.com/426/
    h = hashlib.md5(datedow).hexdigest()
    p, q = [('%f' % float.fromhex('0.' + x)) for x in (h[:16], h[16:32])]
    print('%d%s %d%s' % (latitude, p[1:], longitude, q[1:]))
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