On Jan 31, 2012, at 7:12 PM, Terry Reedy wrote: > On 1/31/2012 8:57 AM, Charles Yeomans wrote: > >> In any case, though I appreciate your attempt at a post hoc justification, > > I was hoping for a positive explanation. > > I think the best you are going to get is that Python somewhat consistently*, > for both practical and historical reasons#, uses tuples when the syntax > allows an object or collection of objects. > > * except, isinstance, isubclass, ''%x, perhaps other places. > > In the last case, that creates a problem when one wants to interpolate a > tuple as an object rather than having it viewed as a container of several > objects to be interpolated. That was on > > # Python once treated tuples as different from lists in ways that is not true > now. (Read the 1.5 docs if really interested.) >
I'll do that. Thanks. Charles Yeomans -- http://mail.python.org/mailman/listinfo/python-list
