--- Day 3: Crossed Wires ---

Very nice. The only thing I would change is moving the definition of

{"L": (0, -1), "R": (0, 1), "U": (1, 1), "D": (1, -1)} 

outside of the loop. Python might be smart enough not to redefine it every time though.

I haven't used python in a long time, I am understanding other python solutions to this problem, but this one gives me a blip for some reason. maybe some syntax I need to review, Can you explain this a little. I know other people say it's clear, but not to me atm...

Going to write my own using a brute force solution but I want to know why this solution is better

I am thinking the definition for L,R,U,D is arbitrary as long as it's consistent?

Instead of {"L": (0, -1), "R": (0, 1), "U": (1, 1), "D": (1, -1)}

I would think it would be, {"L": (-1, 0), "R": (1, 0), "U": (0, 1), "D": (0, -1)}

The diagonal move for up and down and the inverted x and y for L and R is what is getting me, but I think I'm misunderstanding something simple about this

this is great - so simple, clear, and readable.