9 lines
520 B
Python
9 lines
520 B
Python
import re
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ex = re.compile(r'(\d+)-(\d+) (\w): (.*)')
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f = lambda i,j,c,s: (int(i), int(j), c, s) # Wish I could sneak this into the listcomp but can't think of a fun way to do that at present :(
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with open('input02', 'r') as file:
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data = [f(*ex.match(line).groups()) for line in file.readlines()]
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print(f'Part 1: {[(i<=s.count(c)<=j) for i,j,c,s in data].count(True)}')
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print(f'Part 2: {[(s[i-1]==c)^(s[j-1]==c) for i,j,c,s in data].count(True)}') # This is fragile, beware inputs that may have indices out of range!
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