124 lines
2.7 KiB
Python
124 lines
2.7 KiB
Python
import re
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lines = []
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def load():
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global lines
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file = open("input_test.txt")
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lines = file.readlines()
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def resetCheck():
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return {
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'byr': False,
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'iyr': False,
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'eyr': False,
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'hgt': False,
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'hcl': False,
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'ecl': False,
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'pid': False,
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'cid': False
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}
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def valid(password):
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if not password['byr']:
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return False
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if not password['iyr']:
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return False
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if not password['eyr']:
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return False
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if not password['hgt']:
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return False
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if not password['hcl']:
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return False
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if not password['ecl']:
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return False
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if not password['pid']:
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return False
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return True
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def validate_field(field, value):
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if field == 'byr':
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return 1920 <= int(value) <= 2002
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elif field == 'iyr':
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return 2010 <= int(value) <= 2020
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elif field == 'eyr':
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return 2020 <= int(value) <= 2030
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elif field == 'hgt':
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height = re.split('([0-9]+)([a-z]+)', value)
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if len(height) != 4:
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return False
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if height[2] == 'cm':
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return 150 <= int(height[1]) <= 193
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elif height[2] == 'in':
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return 59 <= int(height[1]) <= 76
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elif field == 'hcl':
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if re.match('#([0-9a-f]{6})', value):
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return True
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elif field == 'ecl':
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if value == "amb" or value == "blu" or value == "brn" or value == "gry" or value == "grn" or value == "hzl" or value == "oth":
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return True
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elif field == 'pid':
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if re.match('^[0-9]{9}$', value):
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return True
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else:
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return False
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return False
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def part1():
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file = open("input.txt")
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count = 0
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passport = resetCheck()
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for line in file:
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if line == "\n":
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if valid(passport):
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count += 1
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passport = resetCheck()
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passport_line = line.split(" ")
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for field in passport_line:
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field = field.strip("\n").split(':')[0]
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passport[field] = True
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if valid(passport):
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count += 1
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print("Part 1: %d valid" % count)
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def part2():
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file = open("input.txt")
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count = 0
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passport = resetCheck()
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for line in file:
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if line == "\n":
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if valid(passport):
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count += 1
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passport = resetCheck()
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else:
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passport_line = line.strip().split(" ")
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for field in passport_line:
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field = field.split(':')
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passport[field[0]] = validate_field(field[0], field[1])
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if valid(passport):
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count += 1
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print("Part 2: %d valid" % count)
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if __name__ == "__main__":
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load()
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part1()
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part2()
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