On 2007-04-21, Steven D'Aprano <[EMAIL PROTECTED]> wrote:
> On Fri, 20 Apr 2007 15:36:00 -0700, [EMAIL PROTECTED] wrote:
>>> The article explains that, amongst other things, tuples are
>>> faster than lists, so if you are working with constant values
>>> (inmutables) they are more indicated than lists.
>>
>> Thanks. I thought Python's design wasn't so concerned with
>> optimizations. Adding a new type "just" for optimization
>> reasons seems perhaps unnecessary. I could be wrong.
>
> It's times like this I want to cry...
>
>
>>>> adict = {(1,2): "parrot"}
>
> Try replacing that tuple with a list. "Just optimization" my eye!
So the question becomes: Why do Python dictionaries require keys
to be of an immutable type?
--
Neil Cerutti
--
http://mail.python.org/mailman/listinfo/python-list
