Here's the key: $ python2 Python 2.7.10 ... >>> 1/2 0 >>>
$ python Python 3.5.1 ... >>> 1/2 0.5 >>> 1//2 0 >>> I read about this awhile ago, but it's not until it bites you that you remember fully. -- https://mail.python.org/mailman/listinfo/python-list
