Gigs_ a écrit :
> I read that this is not the same:
> if arg is None: arg = []
> arg = arg or []
>
>
> def functionF(argString="abc", argList = None):
> if argList is None: argList = [] # < this
> ...
> def functionF(argString="abc", argList=None):
> argList = argList or [] # and this
> ...
>
> Why?
def test(arg=None):
foo = arg or []
print "arg : ", arg, " - foo : ", foo
test()
test(arg=0)
test(arg=False)
test(arg=())
test(arg={})
test(arg='')
etc...
--
http://mail.python.org/mailman/listinfo/python-list
