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InputHelper.py

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import os

import re

class InputHelper:

def __init__(self, day_nr):

self.dayNr = day_nr

self.lines = self.make_lines(do_strip=True)

self.numbers = self.get_all_numbers(self.lines)

def make_lines(self, do_strip=False):

os.chdir('..')

f = open('input' + str(self.dayNr) + '.txt', 'r')

lines = f.readlines()

if do_strip:

lines = [x.strip() for x in lines]

f.close()

return lines

def get_all_numbers(self, lines):

numbers = map(lambda s: map(int, re.findall(r'-?\d+', s)), lines)

return [list(x) for x in numbers]