32 lines
807 B
Python
32 lines
807 B
Python
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#!/usr/bin/env python
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# 2024 - Advent Of Code 3 - part 2
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import re
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# file = 'input_example2.txt'
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file = 'input.txt'
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# pylint: disable=consider-using-with
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input_lines = [line.strip('\n') for line in open(file, encoding="utf-8")]
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multilines = ''.join(input_lines)
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re_mul = re.compile(r'mul\((\d+),(\d+)\)')
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fmultilines = re.sub(r'don\'t\(\).+?do\(\)', '', multilines)
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# dirty hack, use 3 times in a row to remove all trailling don't()
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fmultilines2 = re.sub(r'(.+)don\'t\(\).*', r'\1', fmultilines)
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fmultilines3 = re.sub(r'(.+)don\'t\(\).*', r'\1', fmultilines2)
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fmultilines4 = re.sub(r'(.+)don\'t\(\).*', r'\1', fmultilines3)
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accum = 0
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m = re_mul.findall(fmultilines4)
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if m:
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print(m)
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m_list = [int(x[0]) * int(x[1]) for x in m]
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# print(m_list)
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accum += sum(m_list)
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print(f'{accum=}')
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