Mutable numbers

[Fredrik Lundh]

Steve Holden wrote:

> > The memory allocation for integers is optimized. 'Small' integers
> > (between -5 and 100 IIRC) are allocated once and reused. The memory for
> > larger integers is allocated once and reused whenever possible, so the
> > malloc() overhead is negligible.
>
> The first bit's right, the second bit isn't:
>
>   >>> id(12100)
> 4604168
>   >>> id(121*100)
> 4604204
>   >>>

regards
  Steve
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