searching a list of lists as a two-dimensional array?

[Hendrik van Rooyen]

 "John Machin" <sjmachin at lexicon.net> wrote:

> Now for the algorithm: all of that testing to see if you are about to
> sail off the end of the world is a bit ugly and slow. You can use bit-
> bashing, as Paul suggested, even though it's on Steven D'Aprano's list
> of 6 deadly sins :-)

Thou shallt not bit - bash

What are the other five?

- Hendrik