getting an index in a for loop

[Simon Bunker]

thanks for all the replies - very useful!

Simon
--
http://www.rendermania.com/

"Beni Cherniavsky" <cben at techunix.technion.ac.il> wrote in message
news:Pine.GSO.4.44_heb2.09.0302021545020.6633-100000 at techunix.technion.ac.il
...
> On 2003-01-31, Erik Max Francis wrote:
>
> > However, enumerate is still only available in 2.3 so it's not really
> > widely available yet.
> >
> I'm one of those who like to use all the lastest Python features (because
> they tend to be so good <wink>).  Therefore I always favor the
> back-porting approach and in this case, a trivial Python implementation
> can be just written in his code, until 2.3 becomes common place.  Is there
> anything against back-porting this to 2.2, at least as pure-Python?
> Adding a builtin should break no code, right?  Actually, as I'm
> writing this, I've just stuck this into my sitecustimize.py (-::
>
> from __future__ import generators
> import __builtin__
>
> try:
>     enumerate
> except:
>     def enumerate(iterable):
>         """Back port of the 2.3 builtin."""
>         i = 0
>         for item in iterable:
>             yield (i, item)
>             i += 1
>     __builtin__.enumerate = enumerate
>
> In user code, omit the last line.
>
> --
> Beni Cherniavsky <cben at tx.technion.ac.il>
>
> My first thought upon hearing the company name "22 Design":
> That's not a valid identifier (starts with a digit)!
>
>
>
>