[Python-3000] Set literal

[Greg Ewing]

Nicko van Someren wrote:

> Do we really want set literals at all, given that set(...) exists?
> 
> If we are going to have one then, it seems to make sense to have  both.

Not necessarily. We don't have dict comprehensions, and
I don't remember there being many complaints about that.

Also, if generator expressions had come first, we
would probably never have gotten list comprehensions.

--
Greg