"Steven D'Aprano" <[EMAIL PROTECTED]> wrote in message 
news:[EMAIL PROTECTED]
| On Sat, 15 Mar 2008 11:50:17 -0700, Dennis Lee Bieber wrote:
|
| > Small integers are cached in Python, so they always have a fixed ID
| > (address).
|
| Small integers are cached in CPython, making it an implementation-
| dependent feature.

Indeed, the set cached has changed from version to version.

| I don't believe that caching is promised by the
| language definition,

No, could even disappear from cPython. 



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