Awful book warning: How to think like a (Python) programmer - non-working examples

[Andrej Mitrovic]

On Feb 8, 10:14 pm, David Malcolm <dmalc... at redhat.com> wrote:
> On Mon, 2010-02-08 at 12:53 -0800, Andrej Mitrovic wrote:
> > The book covers Python 2.x syntax.
>
> > You might have downloaded Python 3.1, which has different syntax then
> > Python 2.x. From what I can tell, the first example on page 7 is ">>>
> > print 1 + 1".
>
> > Try issuing this command:
> > print(1 + 1)
>
> > If everything goes well, and you get '2' as the answer, then you're
> > probably using Python 3.x. You will have to download the Python 2.x
> > binaries from the Python website, install Python 2.x, and try the
> > example from the book again.
>
> Sorry to nitpick; the main thrust of the above sounds correct, in that:
>     print 1 + 1
> works in Python 2 but fails in Python 3, but, a minor correction, note
> that:
>     print(1+1)
> does work in Python 2 as well as in Python 3; the parentheses are
> treated (in the former) as denoting grouping of a subexpression, rather
> than function invocation (in the latter):
>
> Python 2.6.2 (r262:71600, Jan 25 2010, 13:22:47)
> [GCC 4.4.2 20100121 (Red Hat 4.4.2-28)] on linux2
> Type "help", "copyright", "credits" or "license" for more information.>>> print(1+1)
>
> 2
>
> This can be useful if you're trying to write short fragments of code
> that work with both.
>
> Look at the startup message, or run this command, which should work on
> both python2 and python3:
>   import sys; print(sys.version)
>
> Hope this is helpful
> Dave

Oops, you're right. I'm used to Python 3 syntax so I'm only aware of
some basic differences. :)