On Aug 3, 11:00 pm, Dave Angel <da...@ieee.org> wrote: > Simon wrote: > > On Aug 2, 5:51 am, Dave Angel <da...@ieee.org> wrote: > > >> <snip> > >> I don't understand your comparison to Foxpro. read on. > > >> As your code was last posted, you don't need a return value from > >> init_Exec() Every function that doesn't have an explicit return will > >> return None. And None is interpreted as False in an "and" expression. > >> If you had an "if" around the whole thing, then you'd care. > > >> DaveA > > > All I meant by the FoxPro comment was the idea of using the equal sign > > without a variable to throw away the result. Also in FoxPro there is > > no such thing as automatically returning None. If there is no > > explicit return then True is returned. > > > Thanks I did not know that None is interpreted as False. > > > Simon > > To throw away the result of an expression in Python is even easier. > Just don't use it. > func1() and func2() > is a valid expression whose result is not used. And func2()'s result is > therefore irrelevant. But shortcircuiting means that func2() is only > called if func1() returned False (or something equivalent to it, like 0 > or an empty list)
Thanks for telling me how Python throws away the result. Secondly my code works perfectly now that I am properly defining my methods using "self". -- http://mail.python.org/mailman/listinfo/python-list
