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Episode 1 - problems 1-5
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reneenoble
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# Welcome to *Advent of Code* Garden 2022
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Over 3 episodes we'll be taking a look at the first half of this year's [https://adventofcode.com/2022/](Advent of Code).
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We'll talk you through out tips and tricks, live code and demo different problems, and of course share our code with you here!
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## Join our private leaderboard!
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If you want to join us on the leaderborad, we'd love to have you!
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Use this code: 545432-5ac33587
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One this page: [https://adventofcode.com/2022/leaderboard/private](Private leaderboard page)
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1000
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2000
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3000
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4000
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5000
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6000
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7000
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8000
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9000
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10000
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elves = [x.strip() for x in open("day1-data.txt").read().split("\n\n")]
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elfInts = [sum([int(x) for x in e.split("\n")]) for e in elves]
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elfInts.sort()
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print(sum(elfInts[-3:]))
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# text = open("day1-data.txt").read()
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# elves = text.split("\n\n")
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# cals = []
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# for elf in elves:
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# items = [int(i) for i in elf.split("\n")]
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# cal_sum = sum(items)
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# cals.append(cal_sum)
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# print(max(cals))
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# print(sum(sorted(cals)[-3:]))
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A Y
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B X
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C Z
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guide = [x.strip().split() for x in open("day2-data.txt").readlines()]
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moveMapping = {
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"A": "R",
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"B": "P",
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"C": "S",
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"X": "R",
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"Y": "P",
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"Z": "S",
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}
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moveScores = {
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"R": 1,
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"P": 2,
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"S": 3,
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}
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resultMapping = {
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"RR": "D",
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"PP": "D",
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"SS": "D",
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"RP": "W",
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"PS": "W",
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"SR": "W",
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"RS": "L",
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"PR": "L",
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"SP": "L",
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}
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resultScores = {
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"L": 0,
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"D": 3,
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"W": 6,
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}
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score = 0
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for theirMove, myMove in guide:
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game = moveMapping[theirMove] + moveMapping[myMove]
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score += moveScores[game[-1]]
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score += resultScores[resultMapping[game]]
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print(score)
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# Part 2
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score = 0
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for theirMove, myMove in guide:
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game = moveMapping[theirMove] + moveMapping[myMove]
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score += moveScores[game[-1]]
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score += resultScores[resultMapping[game]]
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print(score)
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outcomeMapping = {
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"X": "L",
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"Y": "D",
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"Z": "W",
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}
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playMapping = {
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"RL": "S",
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"RD": "R",
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"RW": "P",
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"PL": "R",
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"PD": "P",
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"PW": "S",
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"SL": "P",
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"SD": "S",
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"SW": "R",
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}
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score = 0
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for theirMove, outcome in guide:
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game = moveMapping[theirMove] + outcomeMapping[outcome]
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score += resultScores[game[-1]]
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score += moveScores[playMapping[game]]
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print(score)
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vJrwpWtwJgWrhcsFMMfFFhFp
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jqHRNqRjqzjGDLGLrsFMfFZSrLrFZsSL
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PmmdzqPrVvPwwTWBwg
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wMqvLMZHhHMvwLHjbvcjnnSBnvTQFn
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ttgJtRGJQctTZtZT
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CrZsJsPPZsGzwwsLwLmpwMDw
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# Jacks answer
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rucksacks = [x.strip() for x in open("day3-data.txt").readlines()]
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def calcPriority(item):
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if item.isupper():
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return ord(item) - ord('A') + 27
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else:
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return ord(item) - ord('a') + 1
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prioritySum = 0
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for sack in rucksacks:
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c1 = set(sack[:len(sack)//2])
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c2 = set(sack[len(sack)//2:])
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shared = list(c1.intersection(c2))[0]
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prioritySum += calcPriority(shared)
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print(prioritySum) # part 1
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badgePrioritySum = 0
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for i in range(0, len(rucksacks), 3):
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group = (rucksacks[i], rucksacks[i+1], rucksacks[i+2])
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badge = list(set(group[0]).intersection(set(group[1])).intersection(set(group[2])))[0]
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badgePrioritySum += calcPriority(badge)
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print(badgePrioritySum)
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# from string import ascii_lowercase, ascii_uppercase
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# def get_priority(letter):
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# all_letters = ascii_lowercase + ascii_uppercase
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# return all_letters.index(letter) + 1
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# def part1():
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# with open("day3.txt") as f:
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# for line in f:
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# line = line.strip()
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# h1 = line[0:len(line)//2]
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# h2 = line[len(line)//2:]
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# for letter in h1:
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# if letter in h2:
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# print(get_priority(letter))
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# total += get_priority(letter)
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# break
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# print(total)
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# def part2():
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# total = 0
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# sacks = []
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# with open("day3.txt") as f:
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# for line in f:
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# sack = line.strip()
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# sacks.append(sack)
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# for i in range(0, len(sacks), 3):
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# for letter in sacks[i]:
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# if letter in sacks[i + 1] and letter in sacks[i + 2]:
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# total += get_priority(letter)
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# break
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# print(total)
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pairRanges = [x.strip().split(',') for x in open("data.txt").readlines()]
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# Jacks Answer
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totalOverlaps = 0
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anyOverlaps = 0
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for a, b in pairRanges:
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aStart, aStop = a.split('-')
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bStart, bStop = b.split('-')
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aRange = set([x for x in range(int(aStart), int(aStop)+1)])
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bRange = set([x for x in range(int(bStart), int(bStop)+1)])
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if aRange.issubset(bRange) or bRange.issubset(aRange):
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totalOverlaps += 1
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if len(aRange.intersection(bRange)) != 0:
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anyOverlaps += 1
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print(totalOverlaps)
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print(anyOverlaps)
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# Renee's answer
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total = 0
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with open("day4-data.txt") as f:
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for line in f:
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parts = line.split(",")
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part_ranges = [tuple([int(i) for i in part.split("-")]) for part in parts]
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print(part_ranges)
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sorted_ranges = sorted(part_ranges, key=lambda x: (x[0], -x[1]))
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if sorted_ranges[1][1] <= sorted_ranges[0][1]:
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total += 1
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#part
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sorted_ranges = sorted(part_ranges, key=lambda x: (x[0], -x[1]))
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if sorted_ranges[1][0] <= sorted_ranges[0][1]:
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total += 1
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import re
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with open("day5-data.txt") as f:
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text = f.read()
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initial , moves = text.split("\n\n")
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moves = moves.split("\n")
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move_tuples = []
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for move in moves:
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x = re.search("move (\d+) from (\d+) to (\d+)", move)
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move_tuples.append((int(x[1]), int(x[2]), int(x[3])))
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print(initial)
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stack_indexes = {i: 4 * (i - 1) + 1 for i in range(1,10)}
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stacks = {i: [] for i in stack_indexes}
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for row in initial.split("\n"):
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if "1" not in row:
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for l, i in stack_indexes.items():
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if row[i] != " ":
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stacks[l].append(row[i])
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print(stacks)
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for num, start, fin in move_tuples:
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# for i in range(num):
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slice1 = stacks[start][:num]
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print(slice1)
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remaining = stacks[start][num:]
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stacks[start] = remaining
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stacks[fin] = slice1 + stacks[fin]
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print(stacks)
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# print("".join([v[0] for v in stacks.values() if len(v)>0]))
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print()
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print()
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print(stacks.values())
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print()
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for v in stacks.values():
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# if len(v) > 0:
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print(v[0], end="")
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