lines = [x.strip("\n") for x in open('inputs/day1.txt').readlines()]
    digit_names = ["one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]

def digits(lines: list[str]) -> list[int]:
    dgts = []
    for line in lines:
        numbers = ''
        for char in line:
            if char.isdigit():
                numbers += char
                break
        for char in line[::-1]:
            if char.isdigit():
                numbers += char
                break
        dgts.append(int(numbers))
    return dgts

def transform_digits(lines: list[str]) -> list[str]:
    newlines = []
    for line in lines:
        indices = {}
        for idx, c in enumerate(digit_names):
            c_loc = [i for i in range(len(line)) if line.startswith(c, i)]
            while c_loc:
                loc = c_loc.pop(0)
                indices[loc] = str(idx+1)
        if len(indices) == 0:
            newlines.append(line)
        else:
            first_index = sorted(indices)[0]
            first_number = int(indices[first_index])
            second_index = sorted(indices)[-1]
            second_number = int(indices[second_index])
            newline = line[:first_index+1] + str(first_number) + line[first_index+1:]
            newline = newline[:second_index+2] + str(second_number) + newline[second_index+2:]
            newlines.append(newline)
    return newlines


print(f'Part 1 Solution = {sum(digits(lines))}')

print(f'Part 2 Solution = {sum(digits(transform_digits(lines)))}')