D'oh I should've caught that myself.
Thanks.
Fredrik Lundh wrote:
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>
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