Return value of an assignment statement?

[Bruno Desthuilliers]

Jeff Schwab a écrit :
(snip)
> This is apparently section 1.9 of the Python Cookbook:
> 
> http://www.oreilly.com/catalog/pythoncook2/toc.html
> 
> Martelli suggests something similar to the "thigamabob" technique I use 
> (he calls it DataHolder).  It's really more like the "xmatch" posted by 
> Paul Rubin.
> 
> Martelli also says, though, that if you need this, you're not thinking 
> Pythonically.

I'd personnaly read this as: "for most concrete cases, there's a Python 
idiom such that you don't need to set-and-test-at-once" - an example 
being given for the concrete case of 'iterating over lines in a file'.

>  I don't know what the Pythonic alternative is.  The 
> iterating-over-pairs approach suggested by Bruno is the only alternative 
> I've seen.

I guess it's considered the "pythonic alternative" for the concrete use 
case where there's no better idiom !-)

Note that as far as I'm concerned, I don't have much problem with 
get-and-set (which I commonly use in most other languages allowing it). 
In fact I'd probably prefer an expression-based version of Python (now 
would it still be Python is another question...) - but that's not been 
so far a string enough reason to switch language...