[Tutor] Python functions are first-class citizens

[memilanuk]

On 08/01/2014 01:33 AM, Ben Finney wrote:

> Ah! Now I get a better idea why you're confused. There are two distinct
> uses of “key” going on.

Ahhh... no.  Yes, I realize there were two different uses of 'key' and 
no, I didn't think they were necessarily the same.


> * There is no guarantee all the items will be seen. ‘max’ could very
>    well decide it's got the largest item and return it at any point. It's
>    an implementation detail how it does that.

What?!?  Are you serious?  Under what kind of conditions?


> Broadly, you should consider the ‘max’ function a black box.

Yeah, I'm starting to see that...



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