[Python-Dev] slightly inconsistent set/list pop behaviour

Duncan Booth duncan.booth at suttoncourtenay.org.uk
Wed Apr 8 14:30:05 CEST 2009

Andrea Griffini <gripho66 at gmail.com> wrote:

> On Wed, Apr 8, 2009 at 12:57 PM, Jack diederich <jackdied at gmail.com>
> wrote: 
>> You wrote a program to find the two smallest ints that would have a
>> hash collision in the CPython set implementation?  I'm impressed.
>>  And by impressed I mean frightened.
> ?
> print set([0,8]).pop(), set([8,0]).pop()

If 'smallest ints' means the sum of the absolute values then these are 
slightly smaller:

>>> print set([-1,6]).pop(), set([6,-1]).pop()
6 -1

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