I had some trouble getting Part 2 to work, until I realized that there could be overlap ( blbleightwoqsqs -> 82).
spoiler
import re
def puzzle_one():
result_sum = 0
with open("inputs/day_01", "r", encoding="utf_8") as input_file:
for line in input_file:
number_list = [char for char in line if char.isnumeric()]
number = int(number_list[0] + number_list[-1])
result_sum += number
return result_sum
def puzzle_two():
regex = r"(?=(zero|one|two|three|four|five|six|seven|eight|nine|[0-9]))"
number_dict = {
"zero": "0",
"one": "1",
"two": "2",
"three": "3",
"four": "4",
"five": "5",
"six": "6",
"seven": "7",
"eight": "8",
"nine": "9",
}
result_sum = 0
with open("inputs/day_01", "r", encoding="utf_8") as input_file:
for line in input_file:
number_list = [
number_dict[num] if num in number_dict else num
for num in re.findall(regex, line)
]
number = int(number_list[0] + number_list[-1])
result_sum += number
return result_sum
I still have a hard time understanding regex, but I think it’s getting there.
Python 3
I had some trouble getting Part 2 to work, until I realized that there could be overlap ( blbleightwoqsqs -> 82).
spoiler
I still have a hard time understanding regex, but I think it’s getting there.