Laurent Pointal wrote: > Stef Mientki a écrit : >> <Python> >> def Some_Function (const): >> print 'Ive been here', const >> return True >> >> A = True >> >> if A and Some_Function (4 ): >> print 'I knew it was True' >> else: >> print 'I''ll never print this' >> </Python> >> >> <Output> >> Ive been here 4 >> I knew it was True >> </Output >> >> I was expected that the function would not be called, >> because A is True. > > When using the *and* operator, the short-circuit evaluation is done if A > is False (no need to know the other operand, the result cannot be True). > But if A is True, the compiler must evaluate the second parameter to > know the expression result. Sorry you're completely right, and indeed I must have something very stupid !!
thanks very much Stef Mientki -- http://mail.python.org/mailman/listinfo/python-list
