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add day two part two

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This commit is contained in:
CptCaptain 2021-01-20 19:53:03 +01:00
parent 3de439fa41
commit a7c3b873c9
1 changed files with 8 additions and 3 deletions
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11
day2/password_philosophy.py
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@ -64,9 +64,14 @@ def parse_policy(input_string: str) -> Dict[str, int]:
}
def verify_password(policy, password) -> bool:
counter = Counter(password)
return policy['lower_bound'] <= counter[policy['char']] <= policy['upper_bound']
def verify_password(policy, password, part_two_rules: bool = True) -> bool:
if not part_two_rules:
counter = Counter(password)
return policy['lower_bound'] <= counter[policy['char']] <= policy['upper_bound']
else:
lb, ub = policy['lower_bound'], policy['upper_bound']
# 1 indexed, ^ == XOR
return (password[lb - 1] == policy['char']) ^ (password[ub - 1] == policy['char'])
def count_valid_passwords(parsed_passwords: List[Tuple[Dict, str]]):