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rDrama Advent of Code Day 10: Pipe ( | ) edition

Summary for those just joining us:

Advent of Code is an annual Christmas themed coding challenge that runs from December 1st until christmas. Each day the coding problems get progressively harder. We have a leaderboard and pretty good turnout, so feel free to hop in at any time and show your stuff!

Whether you have a single line monstrosity or a beautiful phone book sized stack of OOP code, you can export it in a nice little image for sharing at https://carbon.vercel.app

What did you think about today's problem?

https://adventofcode.com/2023

Our Code is 2416137-393b284c (No need to share your profile, you have the option to join anonymously if you don't want us to see your github)

15
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I wasted maybe 8 hours on this today before starting from scratch and solving it in 10 minutes. My main mistakes:

1. Not appreciating that there's only one path to take out of each pipe.

2. Trying to do BFS for part 2 to fill the middle, writing some horrendous code for the tunnel parts.

I got up to 170 lines of code, realised "something's not right here" and cheated a little by reading a help thread on the subreddit. Once I understood the idea that you're just looking for the area inside a shape then it was fine. I used shapely which definitely felt like cheating but I just don't care.

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