my advent of code 2021 solutions
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from os import readlink
f = open ('input2.txt', 'r')
input = f.readlines()
forward = 0
depth = 0
for i in range(len(input)):
input[i] = input[i].strip()
for i in range(len(input)):
direct, amount = input[i].split(" ", 1)
if direct == 'forward':
forward += int(amount)
if direct == 'down':
depth += int(amount)
if direct == 'up':
depth -= int(amount)
x = depth * forward
print(x)