Advent of Code 2023 Day 23

— Day 23: A Long Walk —

Let’s go for a walk around Snow Island!

Find the longest hike you can take through the hiking trails listed on your map. How many steps long is the longest hike?

with open('data-2023-23.txt', 'r') as f:
    inp = f.read().splitlines()

Maybe write an explanation of the solution approach here

# here's another python cell for good luck

Paste part two here