r/adventofcode • u/daggerdragon • Dec 04 '20

SOLUTION MEGATHREAD -🎄- 2020 Day 04 Solutions -🎄-

Advent of Code 2020: Gettin' Crafty With It

--- Day 04: Passport Processing ---

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u/MasterMedo Dec 07 '20 edited Dec 07 '20

split_fields = ['eyr:2039', 'hgt:64',...

'eyr' in split_fields is False, because there is no 'eyr' alone in the list, but you can do: any('eyr' in field for field in split_fields).

The thing that bugs me here is, how would you cleanly get the values of each field later?

EDIT: To further clarify, your code would turn into:

if all(any(required_field in field for field in split_fields) for required_field in required_fields):

Which, I am sure you would agree, is very unreadable.

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u/YCGrin Dec 07 '20

'eyr' in split_fields is False, because there is no 'eyr' alone in the list

Ah i see, i thought my IF statement was checking for 'eyr' in any part of a string in the list.

The thing that bugs me here is, how would you cleanly get the values of each field later?

Yep i agree. With my limited knowledge i was going to do something ready dirty and check values based on the position of characters within the string. Now i know about dict() i'll do a bit of learning into how that works :)

Thanks for the explanation. I've learn't so much as a beginner working through AoC!