On Sep 24, 2015 18:59, "Chris Angelico" <ros...@gmail.com> wrote: > > On Fri, Sep 25, 2015 at 2:54 AM, Todd <toddr...@gmail.com> wrote: > > Using list indexing with booleans in place of a ternary operator. > > > > a = False > > b = [var2, var1][a] > > > > Instead of: > > > > b = var1 if a else var2 > > Be careful - these are not semantically identical. The first one > evaluates both var1 and var2, while the second will evaluate only the > one it needs. This might be significant if they're not simple names.
True, but the code I saw doing this was just choosing between simple float literals.
-- https://mail.python.org/mailman/listinfo/python-list
