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

[Rustom Mody]

On Saturday, March 29, 2014 11:21:17 AM UTC+5:30, Mark H. Harris wrote:
> On 3/29/14 12:08 AM, Chris Angelico wrote:

> > Okay. History lesson time.

>     Tell me what is the lingua franka today?

>     Is it,   E n g l i s h ?

I wonder Mark, if because you are communicating with your mailing software in
ＥＮＧＬＩＳＨ and its expecting unicode (or Kanji)...
you are posting once and we are seeing it twice, thrice...