[Tutor] integers are also objects?

Andrei Kulakov ak@silmarill.org
Mon, 03 Dec 2001 02:48:02 -0500


On Mon, Dec 03, 2001 at 11:19:03AM +0530, karthik Guru wrote:
> hi all!,
> 
> I'm having a very basic python doubt.
> 
> Are integers objects in python?
> 
> d:\>python
> Python 2.1 (#15, Apr 16 2001, 18:25:49) [MSC 32 bit (Intel)] on win32
> Type "copyright", "credits" or "license" for more information.
> >>> i = 10
> >>> a = 5+5
> >>> id(a)
> 8136016
> >>> id(i)
> 8136016
> 
> In both cases, i and a, the id of the objects happened to be same though i
> created 2 different integer objects.
> so (i == a) obviously works.
> 
> So my question is that does "==" work on contents in case of integers or it
> works only on
> references and python makes sure that integer references with same content
> point to the
> same location, the way it works for strings.
> 
> thanks in advance,
> karthik.

0 to 99 are pre-created integer objects, for speed. whenever you have a
variable that is 0 to 99, one of these objects gets assigned to it..

> 
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