Slices time complexity

Ian Kelly ian.g.kelly at gmail.com
Tue May 19 11:15:48 EDT 2015


On May 19, 2015 4:16 AM, "Serhiy Storchaka" <storchaka at gmail.com> wrote:
>
> On 19.05.15 12:45, Steven D'Aprano wrote:
>>
>> On Tuesday 19 May 2015 05:23, Mario Figueiredo wrote:
>>>
>>>  From the above link it seems slices work in linear time on all cases.
>>
>>
>> I wouldn't trust that is always the case, e.g. deleting a contiguous
slice
>> from the end of a list could be O(1).
>
>
> It always has linear complexity. You need to decref removed elements.

Only in CPython. The operation might be O(1) in Pypy or Jython.
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