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# Day Thirteen: Transparent Origami
file = open("input/13.txt").readlines()
def fold(paper: set, axis: str, crease: int) -> set:
result = set()
for dot in paper:
if axis == "x" and dot[0] >= crease:
result.add((crease - (dot[0] - crease), dot[1]))
elif axis == "y" and dot[1] >= crease:
result.add((dot[0], crease - (dot[1] - crease)))
else:
result.add(dot)
return result
paper = set()
for i, line in enumerate(file):
if i < 1125: # Hardcoded for simplicity
x, y = map(int, line.strip().split(","))
dot = (x, y)
paper.add(dot)
elif i > 1125:
ins = line.split()[2].split("=")
paper = fold(paper, ins[0], int(ins[1]))
if i == 1126: print(len(paper))
for i in range(6):
for j in range(39):
if (j, i) in paper:
print("#", end="")
else:
print(" ", end="")
print()
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