Please improve these comprehensions (was meaning of [ ])

[Ben Bacarisse]

Rustom Mody <rustompmody at gmail.com> writes:
<snip>

> I posted it because I genuinely thought I had missed some obvious way
> of splitting a set into an (arbitrary) element and a rest without
> jumping through hoops. Evidently not

Curious, because I posted because I thought you had.  Anyway, for speed
you probably just want

  def cs(n, r): return frozenset({frozenset(s) for s in c(n, r)})

as suggested.

-- 
Ben.