That is what I was missing, Thanks Vincent Davis
On Thu, Feb 5, 2009 at 8:37 PM, Rhodri James <rho...@wildebst.demon.co.uk>wrote: > On Fri, 06 Feb 2009 03:03:01 -0000, Vincent Davis < > vinc...@vincentdavis.net> wrote: > > Is it correct that if I want to return multiple objects from a function I >> need to in some way combine them? >> def test1(): >> a = [1,3,5,7] >> b = [2,4,6,8] >> c=[a,b] >> return a, b # this does not work? >> return [a, b] # does not work? >> return c # this works but I don't like it, , is there a better way? >> > > Strictly speaking, you can only return one object from a function. > However, > that one object can be a container (list, tuple, dict, set, or what have > you) that contains multiple objects. Tuples are a popular choice: > > return a, b > > ...but almost any ordered type would do, because you can automagically > unpack the results if you want to: > > x, y = test1() > > (You might be expecting brackets around the "a, b" and the "x, y", and > you'd be sort of right. The brackets (parentheses) for tuples are > optional, except for a couple of cases where you *have* to put them > in to avoid ambiguity. I tend to put them in always, but leaving them > out in cases like this seems to be normal practice.) > > -- > Rhodri James *-* Wildebeeste Herder to the Masses > -- > http://mail.python.org/mailman/listinfo/python-list >
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