18 lines
428 B
Python
18 lines
428 B
Python
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def validate(password, rule, letter):
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p1, p2 = rule.split("-")
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p1 = int(p1) - 1
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p2 = int(p2) - 1
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if (password[p1] == letter[0]) != (password[p2] == letter[0]):
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return True
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else:
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return False
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count = 0
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with open("input") as f:
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for passline in f:
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rule, letter, password = passline.split(" ")
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if validate(password, rule, letter):
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count = count + 1
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print(count)
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