On Mon, 06 May 2013 18:23:02 -0400 Terry Jan Reedy <tjre...@udel.edu> wrote: > > 'Item' is necessarily left vague for mutable sequences as bytearrays > also store values. The fact that Antoine's example 'works' for > bytearrays is an artifact of the caching, not a language-mandated > necessity.
No, it isn't. You are mixing up values and references. A bytearray or a array.array may indeed store values, but a list stores references to objects. I'm pretty sure that not respecting identity of objects stored in general-purpose containers would break a *lot* of code out there. Regards Antoine. _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
