Lowell Kirsh wrote: > On a webpage (see link below) I read that the following 2 forms are not the > same and that the > second should be avoided. They look the same to me. What's the difference?
> def functionF(argString="abc", argList = None): > if argList is None: argList = [] > ... > > def functionF(argString="abc", argList=None): > argList = argList or [] > ... "is None" tests for None, "argList or" tests for a false value. None is false, but many non-None objects are also false. "should be avoided" sounds like overly zealous advice to me; use the latter form if you understand it. </F> -- http://mail.python.org/mailman/listinfo/python-list
