Advent of Code 2022, Day 3 - Simple, verbose python

adventofcode2022_day5.py

stacks = {
    1: ['M','S','J','L','V','F','N','R'],
    2: ['H','W','J','F','Z','D','N','P'],
    3: ['G','D','C','R','W'],
    4: ['S','B','N'],
    5: ['N','F','B','C','P','W','Z','M'],
    6: ['W','M','R','P'],
    7: ['W','S','L','G','N','T','R'],
    8: ['V','B','N','F','H','T','Q'],
    9: ['F','N','Z','H','M','L'],
}

with open('input.txt', 'r') as file:     #input.txt has been edited to show only steps
    procedure = [[int(x) for x in y.split() if x.isdigit()] for y in file.read().split('\n')]

for step in procedure:
    quant = step[0]
    fromcrate = step[1]
    tocrate = step[2]
    crates_moved = [stacks[fromcrate].pop(0) for i in range(quant)]
    #crates_moved.reverse()        #for Part 1
    stacks[tocrate] = crates_moved + stacks[tocrate]
    
print(STACKS)