11 lines
425 B
Python
11 lines
425 B
Python
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import re
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ex = re.compile(r'(\d+)-(\d+) (\w): (.*)')
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with open('input02', 'r') as file:
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data = [ex.match(line).groups() for line in file.readlines()]
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valid = [(int(i)<=s.count(c)<=int(j)) for i,j,c,s in data]
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print(f'Part 1: {valid.count(True)}')
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valid2 = [(s[int(i)-1]==c)^(s[int(j)-1]==c) for i,j,c,s in data] # This is fragile, beware inputs that may have indices out of range!
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print(f'Part 2: {valid2.count(True)}')
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