MRAB <pyt...@mrabarnett.plus.com> wrote: > I raise you one character: > > ishex2 = lambda s: not(set(s)-set(string.hexdigits)) # Yours > ishex3 = lambda s: not set(s)-set(string.hexdigits) # Mine > > I could actually go three better: > > ishex3=lambda s:not set(s)-set(string.hexdigits)
But none of those pass your own "ishex('') should return False" test.
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