Explanation of this Python language feature? [x for x in x for x in x] (to flatten a nested list)
Marko Rauhamaa
marko at pacujo.net
Mon Apr 7 01:14:52 EDT 2014
Steven D'Aprano <steve at pearwood.info>:
> That's why optimizers like PyPy generally produce code like this:
>
> if some guard condition is true:
> run fast optimized branch
> else:
> fall back on standard Python
There you go! You are using Python-esque syntax to communicate a CS
idea.
Marko
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