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from utils import open_day
Command = tuple[str, int]
def part1(commands: list[Command]) -> int:
pos: int = 0
depth: int = 0
for command in commands:
match command:
case ('up', X): depth -= X
case ('down', X): depth += X
case ('forward', X): pos += X
return pos * depth
def part2(commands: list[Command]) -> int:
pos: int = 0
aim: int = 0
depth: int = 0
for command in commands:
match command:
case ('up', X): aim -= X
case ('down', X): aim += X
case ('forward', X):
pos += X
depth += aim * X
return pos * depth
commands: list[Command] = [(c, int(q)) for c, q in (l.split() for l in open_day(2))]
print(part1(commands))
print(part2(commands))
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