Tuenti Challenge 7 | Challenge 1 - Pizza love

SliceCounter.py

# Tuenti Challenge 2017 | Challenge 1 - Pizza love
# https://contest.tuenti.net/resources/2017/Question_1.html


import math


class SliceCounter:

    def open_input_file(self, input_path):
        return open(input_path, 'r')

    def open_output_file(self, output_path):
        return open(output_path, 'w')

    def count_slices(self, input_file, output_file):
        lines = input_file.readlines()
        count = 0

        for i in range(1, len(lines), 2):
            slices = lines[i + 1]
            slice_array = map(int, slices.split())
            slices_sum = 0
            count += 1

            for slice in slice_array:
                slices_sum += slice

            output_file.write('Case #' + repr(count) + ': ' + repr(math.ceil(slices_sum / 8)) + "\n")

    def close_files(self, input_file, output_file):
        input_file.close()
        output_file.close()

    def run(self):
        input_file=self.open_input_file("input.txt")
        output_file=self.open_output_file("output.txt")

        self.count_slices(input_file, output_file)
        self.close_files(input_file, output_file)


slice_counter=SliceCounter()
slice_counter.run()