DIP32: Uniform tuple syntax

[bearophile]

Simen Kjærås:

> All in all, I really like this, but agree with bearophile that 
> some parts may be better left for a future DIP.

On the other hand it's important that the Stage1 DIP should be 
designed to not make it impossible to add future tuple 
enhancements. So a draft of the Stage2 should be written from the 
start, to have a more global vision of the situation.

Bye,
bearophile