Advent of Code 2022, Day 2 - Simple, verbose python.

adventofcode2022_day2.py

with open('input.txt') as f:
	rounds = [i.split(' ') for i in f.read().split('\n')]

#Part 1

PLAYS = {
	"X": "rock",
	"Y": "paper",
	"Z": "scissors",
	"A": "rock",
	"B": "paper",
	"C": "scissors",
}

PLAY_SCORE = {
	"rock": 1,
	"paper": 2,
	"scissors": 3,
	"tie": 3,
	"win": 6,
	"loss": 0,
}

def play_game(rounds):

	score = []

	for i in rounds[:-1]:     # IDK why but there's an empty block at the end of the list for some reason

		elfs_play = PLAYS.get(i[0])
		your_play = PLAYS.get(i[-1])
		
		if your_play == elfs_play:
		    outcome = "tie"
		elif your_play == "rock":
		    if elfs_play == "scissors":
		        outcome = "win"
		    else:
		        outcome = "loss"
		elif your_play == "paper":
		    if elfs_play == "rock":
		        outcome = "win"
		    else:
		        outcome = "loss"
		elif your_play == "scissors":
		    if elfs_play == "paper":
		        outcome = "win"
		    else:
		        outcome = "loss"

		score.append(PLAY_SCORE.get(your_play) + PLAY_SCORE.get(outcome))

	return score

print(sum(play_game(rounds)))


# Part 2

OUTCOME_INDEX = {
	"X": "loss",
	"Y": "tie",
	"Z": "win"
}

def play_other_game(rounds):

	other_score = []

	for i in rounds[:-1]:

		elfs_play = PLAYS.get(i[0])
		outcome = OUTCOME_INDEX.get(i[-1])

		if outcome == "tie": #draw
			your_play = elfs_play
		elif outcome == "loss": #lose
			if elfs_play == "rock":
				your_play = "scissors"
			elif elfs_play == "paper":
				your_play = "rock"
			elif elfs_play == "scissors":
				your_play = "paper"
		elif outcome == "win": #win
			if elfs_play == "rock":
				your_play = "paper"
			elif elfs_play == "paper":
				your_play = "scissors"
			elif elfs_play == "scissors":
				your_play = "rock"
		
		other_score.append(PLAY_SCORE.get(your_play) + PLAY_SCORE.get(outcome))

	return(other_score)

print(sum(play_other_game(rounds)))