[BangPypers] sort query

Sidharth Kuruvila sidharth.kuruvila at gmail.com
Sat Oct 24 11:53:55 CEST 2009


Hi,

>>> d = {"a":1, "b":2}
>>> d.keys()
['a', 'b']
>>> a = d.keys()
>>> b = d.keys()
>>> id(a)
542120
>>> id(b)
542200

So d creates a new list with each call to keys.

The behavior might be different in python 3 where I hear d.keys() will
return a set

Regards,
Sidharth

On Sat, Oct 24, 2009 at 2:12 PM, Noufal Ibrahim <noufal at gmail.com> wrote:
> On Sat, Oct 24, 2009 at 1:32 PM, bhaskar jain
> <bhaskar.jain2002 at gmail.com> wrote:
>> Hello,
>>
>>  Can sort not modify read-only location.
>>
>>>>> d
>> {'a': 1, 'c': 3, 'b': 2}
>>
>>>>> id(d)
>> 412816
>>
>>>>> id(d.keys())
>> 404296
>>
>>>>> type(d.keys())
>> <type 'list'>
>>
>>>>> print d.keys().sort()
>
> The sort method of a list doesn't return a sorted list. As for the
> question of what exactly did that sort and where is the sorted list,
> I'm not sure.
>
>
> --
> ~noufal
> http://nibrahim.net.in
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-- 
I am but a man.


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