AdventOfCode/2021/10.py

lines = open("input.txt", 'r').read().splitlines()


di = {
    ('(', ')', 3, 1),
    ('[', ']', 57, 2),
    ('{', '}', 1197, 3),
    ('<', '>', 25137, 4)
}
score1 = 0
score2 = []
for l in lines:
    stack = []
    valid = True
    for c in l:
        if c == '(' or c == '[' or c == '{' or c == '<':
            stack.append(c)
        if c == ')' or c == ']' or c == '}' or c == '>':
            match = [x for x in di if x[1] == c][0]
            if stack.pop() != match[0]:
                score1 += match[2]
                valid = False
                break
    if valid:
        if stack == []:
           break
        score = 0 
        while stack != []:
            cha = stack.pop()
            score = score * 5 + [x for x in di if x[0] == cha][0][3]
        score2.append(score)

print(score1)
score2.sort()
print(score2[(int)(len(score2)/2)])