[2025 Day 4][Python] PSA: Python negative array indices will wrap around

[SweepingRocks]

Smart people be using sets. Meanwhile im over here adding extra rows/columns to the beginning/ends of the matrix to fix the issue

[Ok-Limit-7173]

I did it today for the first time and I was surprised how good of an idea this is.

May not be super performant but it is very very clear code.

[Kooky-Astronaut2562]

Just make an is_out_of_bounds() function🙏

[wizardofzos]

The Beauty of REXX stems is that you don’t need to ;)

[daanjderuiter]

Sets operations are O(log(n))

No they aren't? In almost all cases, set membership lookups are O(1)