How to extend a tuple of tuples?

[Ned Batchelder]

On Friday, September 9, 2016 at 6:13:37 AM UTC-4, Frank Millman wrote:
> "Frank Millman"  wrote in message news:nqtlue$unj$1 at blaine.gmane.org... 
> 
> > Assume you have a tuple of tuples -
> 
> > a = ((1, 2), (3, 4))
> 
> > You want to add a new tuple to it, so that it becomes -
> 
> >     ((1, 2), (3, 4), (5, 6))
> 
> Thanks all.
> 
> The one I was looking for was 
> 
>     a += (5, 6),
> 
> I understand it now - makes perfect sense.

I'm curious why you are using a growing tuple, instead of a list.
This seems like a much more natural use for a list.

--Ned.