Why does argparse return None instead of  if an append action isn't used?
__peter__ at web.de
Mon Jan 26 15:04:51 CET 2015
Adam Funk wrote:
> On 2015-01-09, Ned Batchelder wrote:
>> On 1/9/15 9:44 AM, Adam Funk wrote:
>>> This makes it a bit more trouble to use:
>>> if options.bar:
>>> for b in options:bar
>>> instead of
>>> for b in options.bar
>> This doesn't answer why the value defaults to None, and some people may
>> recoil at it, but I've used:
>> for b in options.bar or ():
> Do you mean "for b in options.bar or :" ?
Doesn't matter; in the context of a for loop any empty iterable would do.
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