recursive function return value problems
Steve Holden
steve at holdenweb.com
Wed Dec 28 22:21:22 EST 2005
randomtalk at gmail.com wrote:
> hi, i have the following recursive function (simplified to demonstrate
> the problem):
>
>
>>>>def reTest(bool):
>
> ... result = []
> ... if not bool:
> ... reTest(True)
> ... else:
> ... print "YAHHH"
> ... result = ["should be the only thing returned"]
> ... print "printing result: "
> ... print result
> ... return result
> ...
>
>>>>reTest(False)
>
> YAHHH
> printing result:
> ['should be the only thing returned']
> printing result:
> []
> []
>
> I don't understand why results are returned twice? is there something
> special i missed about recursive functions?
>
The only thing you appear to have misunderstood is that there;s
absolutely nothing special about recursive functions at all, and the
Python interpreter is doing exactly what you told it to.
regards
Steve
--
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