[Tutor] Question about style

[Jose Amoreira]

Hello,

On 07/17/2014 12:05 AM, Alan Gauld wrote:

> Just throwing this idea in without really thinking about it...
> Would itertools.groupby work?
>
> It takes a sorted collection and groups the items found based on a key
> function. If the key function deemed two items identical if they were
> within distance X of each other then groupby might help.
>
> The itertools functions are generally space efficient and
> therefore good for large volumes of data.
>

Thanks for the suggestion, I didn't know about groupby. I gave it a try. 
The key function argument is optional; if we don't supply one, grouby 
groups *equal* list elements. But I want to group *close enough* 
elements (close enough meaning that their distance is less than some 
reference value), and I didn't manage to specify a key function in a 
form suitable for use with groubpy. I should spend some more time 
studying the examples.

Anyway, thanks a lot, it's always good to know a new module in the 
standard library.

Ze