why not arrays?

[Terry Reedy]

"Nick Coghlan" <ncoghlan at iinet.net.au> wrote in message 
news:41C1A246.3070401 at iinet.net.au...
> For more complex (i.e. multi-dimensional) arrays - the general answer is 
> "get numpy". I'm not aware of the actual reasons why numpy is not 
> included in the standard library, but some possible reasons would be:
>
> - size (increase the base Python download too much)
> - portability (less portable than the core interpreter)
> - stability (the numpy folks aren't yet prepared to commit to the 
> backwards compatibility issues associated with being part of the standard 
> library)
> - logistics (merging numpy into Python is likely to be a pain)

The base issue for all third-party package is *ownership* and attendent 
issues of who controls style, contents, and timing of changes. 
Transferring code or a version thereof from original authors to the PSF has 
pluses and minuses for both parties.

Terry J. Reedy