42 lines
1.0 KiB
Python
42 lines
1.0 KiB
Python
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#!/usr/bin/env python3
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from string import ascii_letters
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priority = {letter:index+1 for index,letter in enumerate(ascii_letters)}
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def main():
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with open('day3', 'r') as file:
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lines = file.readlines()
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priorities = 0
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for line in lines:
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length_compartments = int(len(line) / 2)
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first = line[:length_compartments]
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second = line[length_compartments:]
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for item in first:
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if item in second:
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priorities += priority[item]
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break
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print(priorities)
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priorities = 0
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for index, line in enumerate(lines):
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mod_index = (index + 1) % 3
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match mod_index:
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case 1:
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first = line
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case 2:
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second = line
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case 0:
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third = line
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for item in first:
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if (item in second) and (item in third):
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priorities += priority[item]
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break
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print(priorities)
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if __name__ == '__main__':
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main()
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