20 lines
456 B
Python
20 lines
456 B
Python
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"""
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Solution to 2020/01
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"""
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COUNT = 0
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with open('input', 'r') as file:
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for line in file.readlines():
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rule, char, password = line.strip().split()
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char = char[0]
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min_occurence, max_occurence = rule.split('-')
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min_occurence = int(min_occurence)
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max_occurence = int(max_occurence)
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is_valid = min_occurence <= password.count(char) <= max_occurence
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if is_valid:
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COUNT += 1
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print(COUNT)
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