77 lines
1.9 KiB
Python
77 lines
1.9 KiB
Python
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#!/usr/bin/env python3
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def part_one(lines):
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pairs = 0
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for line in lines:
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first, second = line.split(',')
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one, two = first.split('-')
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three, four = second.split('-')
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one = int(one)
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two = int(two)
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three = int(three)
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four = int(four)
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first_section_ids = []
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for index in range(one, two+1):
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index_space = str(index) + ' '
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first_section_ids.append(index_space)
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first_ids = ''.join(first_section_ids)
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second_section_ids = []
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for index in range(three, four+1):
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index_space = str(index) + ' '
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second_section_ids.append(index_space)
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second_ids = ''.join(second_section_ids)
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if len(first_ids) == 2 and not (one in range(three, four)):
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continue
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if len(second_ids) == 2 and not (three in range(one, two)):
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continue
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if (first_ids in second_ids) or (second_ids in first_ids):
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pairs += 1
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print(pairs)
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def part_two(lines):
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pairs = 0
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for line in lines:
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first, second = line.split(',')
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one, two = first.split('-')
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three, four = second.split('-')
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one = int(one)
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two = int(two)
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three = int(three)
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four = int(four)
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first_section_ids = []
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for index in range(one, two+1):
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index_space = str(index) + ' '
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first_section_ids.append(index_space)
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second_section_ids = []
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for index in range(three, four+1):
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index_space = str(index) + ' '
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second_section_ids.append(index_space)
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for ids in first_section_ids:
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if ids in second_section_ids:
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pairs += 1
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break
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print(pairs)
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def main():
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with open('day4', 'r') as file:
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lines = file.readlines()
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part_one(lines)
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part_two(lines)
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if __name__ == '__main__':
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main()
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