Usefulness of the "not in" operator

[Steven D'Aprano]

candide wrote:

> So what is the usefulness of the "not in" operator ? Recall what Zen of
> Python tells
> 
> There should be one-- and preferably only one --obvious way to do it.

And "not in" is the obvious way to do it.


"If the key is not in the ignition, you won't be able to start the car."

"If not the key is in the ignition, you won't be able to start the car."


Who like that second one speaks?


-- 
Steven