On Thu, 18 Oct 2007 03:00:56 +0000, Steven D'Aprano wrote: > On Wed, 17 Oct 2007 23:12:15 +0000, Paul Hankin wrote: > >> 'if x' doesn't test if x exists, it tests if x when cast to a bool is >> True. > > To be pedantic: > > Python doesn't have type casts. bool(x) doesn't cast x as a bool, it > creates a brand new Boolean object from x.
Actually, to be even more pedantic, True and False are both singletons, and so bool() doesn't actually create a new Boolean object but reuses the existing ones. -- Steven. -- http://mail.python.org/mailman/listinfo/python-list
