"?:", "a and b or c" or "iif"

[Jeremy Hylton]

>>>>> "HN" == Hrvoje Niksic <hniksic at srce.hr> writes:

  HN> "Tim Peters" <tim_one at email.msn.com> writes:
  >> (x and [a] or [b])[0]-ly y'rs - tim

  HN> Can Python's optimizer optimize away the consing?

Which optimizer would that be?