I like the idea, but that's a fairly big semantic change. What about
On 29 December 2010 13:36, Michael Foord <firstname.lastname@example.org
> Hello all,
> I often use python as a calculator or for simple operations using -c. It
> would be enormously useful if python -c "..." would output on stdout the
> result of the last evaluated expression in the same way that the interactive
> interpreter does.
> The following outputs nothing:
> python -c "12 / 4.1"
> So you always have to prefix expressions with print to see the result.