Hrvoje Niksic wrote: > Stef Mientki <[EMAIL PROTECTED]> writes: > >> although I find it rather non-intuitive. >> I didn't expect a copy, but a reference to itself wouldn't be asked >> too much ? > > If you didn't expect a copy, why rely on the return value? You could > simply continue using the sorted list. Your first post says "I'm > trying to sort a list, using the same list at the commandline works, > but in a program it doesn't." > >> Why does it return None, instead of the sorted object itself ? >> I guess it would cost almost exactly the same processing power. > > It's not about processing power at all, it's about clarity. Code that > says: > > foo = [5, 2, 3, 1] > bar = foo.sort() > > might run into a nasty surprise upon finding that both foo and bar > point to the same (sorted) list. Returning None ensures that the > error is detected as early as possible. Aha, that might be a valid reasoning.
thanks, Stef Mientki -- http://mail.python.org/mailman/listinfo/python-list
