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

[Chris Angelico]

On Mon, Apr 7, 2014 at 4:09 AM, Mark Lawrence <breamoreboy at yahoo.co.uk> wrote:
> On 06/04/2014 18:27, Chris Angelico wrote:
>>
>> (plus, why on earth can't they afford a few more forks in the
>> interests of hygiene??!?).
>
>
> They couldn't get the purchase order for these capital cost items past the
> accountants.

That would explain why they spend so much time thinking. Can't afford
pencils and paper to write their thoughts down, so they sit in the sun
and one by one they collect their thoughts and think them over.

ChrisA