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73 lines
1.7 KiB
Python
73 lines
1.7 KiB
Python
4 years ago
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"""
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Solution to 2020/04
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"""
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import re
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passports = []
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with open('input', 'r') as f:
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for passportRaw in f.read().strip().split('\n\n'):
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passport = {}
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for [key, value] in re.findall(r'([\w]{3}):(\S*)', passportRaw):
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passport[key] = value
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# print(passportRaw)
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# print(passport)
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# print()
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passports.append(passport)
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print('Passports:', len(passports))
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required_fields = [
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'byr',
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'iyr',
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'eyr',
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'hgt',
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'hcl',
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'ecl',
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'pid'
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]
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def validate_int(value, min, max):
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try:
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value = int(value)
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if value < min or value > max:
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return False
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return True
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except:
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return False
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def is_valid(passport):
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for field in required_fields:
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if field not in passport:
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return False
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if not validate_int(passport['byr'], 1920, 2002):
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return False
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if not validate_int(passport['iyr'], 2010, 2020):
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return False
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if not validate_int(passport['eyr'], 2020, 2030):
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return False
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hgt_val = passport['hgt'][:-2]
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hgt_type = passport['hgt'][-2:]
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if hgt_type == 'cm':
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if not validate_int(hgt_val, 150, 193):
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return False
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elif hgt_type == 'in':
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if not validate_int(hgt_val, 59, 76):
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return False
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else:
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return False
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if not re.match('#[0-9a-f]{6}', passport['hcl']):
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return False
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if not passport['ecl'] in ['amb', 'blu', 'brn', 'gry', 'grn', 'hzl', 'oth']:
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return False
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print(passport['pid'])
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if not len(passport['pid']) == 9 or not validate_int(passport['pid'], 0, 999999999):
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return False
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return True
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print('Count:')
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print(len(list(x for x in passports if is_valid(x))))
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