[Tutor] Is "var = None" in Python equivalent to "Set var

John Fouhy john at fouhy.net
Mon Jun 30 01:19:56 CEST 2008


On 30/06/2008, wesley chun <wescpy at gmail.com> wrote:
>  (this is a completely tangential thread, but i'm curious if the
>  beginners -- not the experts -- are familiar with the difference
>  between "if obj == None" vs. "if obj is None".)

As I understand it there are no cases where obj==None and obj is None
will give different results (which is not true for == vs is in
general), so is there any practical difference?  Maybe you save a
handful of cycles?

-- 
John.


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