Explanation of this Python language feature? [x for x in x for x in x] (to flatten a nested list)

[Marko Rauhamaa]

Roy Smith <roy at panix.com>:

> Have you ever done any work in PHP? Many of the error messages are
> Hebrew, transliterated into English. I've gotten many a
> T_PAAMAYIM_NEKUDOTAYIM error.

I hate localization. You get a error message in Finnish from "make" or
"grep" and then you try to google it.

So mine is en_US, but I know people who do fi_FI.


Marko