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49 lines
1.2 KiB
49 lines
1.2 KiB
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import re
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# decode line into bounds and letter and password
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def decode_line(l):
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groups = re.compile(r"(?P<lower>\d+)-(?P<higher>\d+) (?P<letter>\w): (?P<pwd>\w+)").search(l)
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return groups
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# check if valid with certain number of chars
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def check_if_valid(lower, higher, letter, pwd):
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if int(lower) <= pwd.count(letter) <= int(higher):
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return True
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else:
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return False
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# check if valid with chars on places
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def check_if_valid2(lower, higher, letter, pwd):
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# both = line.split(": ")
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# cond = both[0].split(" ")
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# times = cond[0].split("-")
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# lower = int(times[0])
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# higher = int(times[1])
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# letter = cond[1]
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# pwd = (both[1])[:-1]
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if (pwd[int(lower) - 1] == letter) != (pwd[int(higher) - 1] == letter):
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return True
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else:
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return False
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with open(r"C:\Users\Maya\Desktop\Uni\WS_2021\AoC\input02") as f:
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lines = f.readlines()
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# count for challenge 1
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i = 0
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for line in lines:
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if check_if_valid(*decode_line(line).groups()):
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i += 1
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print(i)
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# count for challenge 2
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i = 0
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for line in lines:
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if check_if_valid2(*decode_line(line).groups()):
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i += 1
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print(i)
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