On Nov 3, 2:44 pm, Joe Strout <[EMAIL PROTECTED]> wrote: > On Nov 3, 2008, at 12:00 PM, Aaron Brady wrote: > > > I think we can conclude that Python passes by reference, since a > > function can modify objects that were passed in to it. > > Then please write the Python equivalent of the "Swap" methods shown at > <http://www.strout.net/info/coding/valref/> (or at > <http://javadude.com/articles/passbyvalue.htm > >, for that matter). > > And no fair wrapping the two parameters up in an object or using tuple > packing/unpacking -- the point is to demonstrate that you can change > the two parameters themselves, not some object that contains them or > return them a different order. > > And by the way, if mutating an object a parameter refers to qualifies > as pass by reference, then Java, VB.NET/REALbasic (in ByVal mode), and > C/C++ all pass by reference too. That'll be quite a surprise to their > compiler authors! (I should know, as I'm one of them.) > > Best, > - Joe
Python can do the swap operation on mutable types, for example. By-Value and By-Reference are not the only passing methods. True or False? -- http://mail.python.org/mailman/listinfo/python-list
