On Fri, 18 Nov 2022 at 18:01, James Johnson <jj126979@gmail.com> wrote:
>
> Dear Sir:
>
> This script SHOULD build a grid with staggered columns. I am not satisfied that it should stagger in the direction that I want it to, but standing alone, it should do SOMETHING.
>
> I keep getting a grid of identical rows. Is it my anaconda3; is it a code optimization?
>
> I know it sounds like incompetence on my part, but it's pretty straightforward.
>
> Am I actually an idiot, or is this an artifact?
>

You're re-appending the same row every time. So at the end, it's many
references to the same row.

This sort of question would be better answered on python-list or
python-tutor though, it's not an idea for the future development of
Python.

ChrisA