On Oct 24, 4:15 pm, Paul Hankin <[EMAIL PROTECTED]> wrote: > On Oct 24, 2:02 pm, [EMAIL PROTECTED] wrote: > > > > > On Oct 24, 7:09 am, Alexandre Badez <[EMAIL PROTECTED]> wrote: > > > > I'm just wondering, if I could write a in a "better" way this code > > > > lMandatory = [] > > > lOptional = [] > > > for arg in cls.dArguments: > > > if arg is True: > > > lMandatory.append(arg) > > > else: > > > lOptional.append(arg) > > > return (lMandatory, lOptional) > > > > I think there is a better way, but I can't see how... > > > You might look into list comprehensions. You could probably do this > > with two of them: > > > <code> > > # completely untested > > lMandatory = [arg for arg in cls.dArguments if arg is True] > > lOptional = [arg for arg in cls.dArguments if arg is False] > > </code> > > > Something like that. I'm not the best with list comprehensions, so I > > may have the syntax just slightly off. > > Your list comprehensions are right, but 'arg is True' and 'arg is > False' are better written as 'arg' and 'not arg' respectively. > > -- > Paul Hankin
Anyone know why towards arg is True and arg is False, arg is None is faster than arg == None ... -- http://mail.python.org/mailman/listinfo/python-list
