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data = [dat.strip() for dat in open("input").read().split("\n") if dat != '']
def part1():
res = 0
for line in data:
comp1 = list(line[len(line)//2:])
comp2 = list(line[:len(line)//2])
inter = list(set(comp1).intersection(comp2))[0]
if inter.islower():
res += ord(inter) - ord('a') + 1
elif inter.isupper():
res += ord(inter) - ord('A') + 27
return res
def part2():
res = 0
for i in range(0, len(data), 3):
common = list(set(data[i]).intersection(data[i+1]).intersection(data[i+2]))[0]
if common.islower():
res += ord(common) - ord('a') + 1
elif common.isupper():
res += ord(common) - ord('A') + 27
return res
print(f"Part 1: {part1()}")
print(f"Part 2: {part2()}")
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