[Python-ideas] syntax for set

[Alexander Belopolsky]

On Mon, Nov 15, 2010 at 2:02 PM, Guido van Rossum <guido at python.org> wrote:
> There is nothing obvious about {:} for the empty dictionary. :-)
>

The obvious notation for an empty set is ∅ ('\N{EMPTY SET}'), but
fortunately (!) this is not a valid identifier.