"""
Solution to 2020/04
"""
import re

passports = []

with open('input', 'r') as f:
    for passportRaw in f.read().strip().split('\n\n'):
        passport = {}
        for [key, value] in re.findall(r'([\w]{3}):(\S*)', passportRaw):
            passport[key] = value
        # print(passportRaw)
        # print(passport)
        # print()
        passports.append(passport)

print('Passports:', len(passports))
required_fields = [
    'byr',
    'iyr',
    'eyr',
    'hgt',
    'hcl',
    'ecl',
    'pid'
]


def is_valid(passport):
    print()
    print(passport)
    for field in required_fields:
        print('field in passport:', field, field in passport)
        if field not in passport:
            return False
    return True


print('Count:')
print(len(list(x for x in passports if is_valid(x))))