33 lines
797 B
Python
33 lines
797 B
Python
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#! /usr/bin/env python3
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def xor(a, b):
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return (a and not b) or (not a and b)
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def parse_line(line):
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repeat_range, letter, pwd = line.split(' ')
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letter = letter[0]
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first_pos, second_pos = repeat_range.split('-')
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first_pos, second_pos = int(first_pos), int(second_pos)
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return letter, first_pos, second_pos, pwd
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def test_password(line):
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letter, first_pos, second_pos, pwd = parse_line(line)
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return xor(pwd[first_pos - 1] == letter,
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pwd[second_pos - 1] == letter)
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def main(inp):
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with open(inp) as passwds:
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valid_counter = 0
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for l in passwds:
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if test_password(l):
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valid_counter += 1
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print(f"Number of valid password in input : {valid_counter}")
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if __name__ == "__main__":
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main('./input.txt')
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