col1 = [3, 4, 2, 1, 3, 3]
col2 = [4, 3, 9, 3, 5, 3]

pairs = []

while len(col1) != 0:
    pairs.append([min(col1), min(col2)])
    col1.pop(col1.index(min(col1)))
    col2.pop(col2.index(min(col2)))

print(pairs)

distances = list(map(lambda x: abs(x[0]-x[1]), pairs))

print(distances)

import operator

reports = [
    [7, 6, 4, 2, 1],
    [1, 2, 7, 8, 9],
    [9, 7, 6, 2, 1],
    [1, 3, 2, 4, 5],
    [8, 6, 4, 4, 1],
    [1, 3, 6, 7, 9],
]

def is_safe(report: list[int]) -> bool:
    # Pairs of two.
    # eg. [a, b, c] -> [[a, b], [b, c]]
    pairs = list(zip(report, report[1:]))
    
    diffs = list(map(lambda x: x[0]-x[1], pairs))
    diff_ok = lambda x: x >= 1 and x <= 3

    op = operator.lt
    if report and not op(report[0], report[-1]):
        op = operator.gt

    is_monotone = all(op(x, y) for x, y in pairs)
    safe_diffs = min(diff_ok(abs(d)) for d in diffs)
    return is_monotone and safe_diffs

print(list(map(is_safe, reports)))

import re

memory = "xmul(2,4)%&mul[3,7]!@^do_not_mul(5,5)+mul(32,64]then(mul(11,8)mul(8,5))"

commands = re.findall("mul\(([1-9]\d?|100),([1-9]\d?|100)\)", memory)

num_pairs = [re.findall("([1-9]\d?|100)", str(cmd)) for cmd in commands]

result = sum(map(lambda x: int(x[0])*int(x[1]), num_pairs))
print(result)