Ohh, I never thought it this way. Thanks for enlightening. On Sun, Nov 22, 2009 at 9:52 PM, Alan Gauld <alan.ga...@btinternet.com>wrote:
> > "Lie Ryan" <lie.1...@gmail.com> wrote > > > I was a bit surprised this doesn't work though: > >> >> a, b += k, k >> >> > What would you expect? > Remember that > > a,b = c,d > > is just tuple assignment without using parens (and parens are not part of > the tuple definition) > > So using tuples > > a,b += k,k > > would unwrap as > > a,b = (a,b) + (k,k) -> (a,b,k,k) > > which should give an error since we are then unpacking 4 values > into two... > > It doesn't really make sense. > > -- > Alan Gauld > Author of the Learn to Program web site > http://www.alan-g.me.uk/ > > _______________________________________________ > Tutor maillist - Tutor@python.org > To unsubscribe or change subscription options: > http://mail.python.org/mailman/listinfo/tutor >
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