Steven D'Aprano wrote: > On Tue, 10 Jul 2007 16:41:58 -0700, Paul Rubin wrote: > >> Steven D'Aprano <[EMAIL PROTECTED]> writes: >>> Pretending that False and True are just "magic names" for 0 and 1 might >>> be "easier" than real boolean algebra, but that puts the cart before >>> the horse. Functionality comes first: Python has lists and dicts and >>> sets despite them not being ints, and somehow newcomers cope. I'm sure >>> they will cope with False and True not being integers either. >> Are they are aren't they? > > I'm sorry, I can't parse that sentence. > >> print 1 in [True] >> print 1 == True >> print len(set(map(type, [1, 1]))) >> print len(set(map(type, [1, True]))) > > > > But I guess that you are probably trying to make the point that True and > False are instances of a _subtype_ of int rather than ints, under the > mistaken idea that this pedantry would matter. (If this is not the case, > then I apologize for casting aspersions.) However, you may notice that I > said _integers_, which is not the same thing as ints: the Python types > int and bool are both implementations of the mathematical "integer" or > "whole number". > You can only cast aspersions in C, C# and similar languages. In Python you'd have to explicitly convert the aspersions to some other type ;-)
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