Advent of Code 2019 Day 1

aoc1.py

import math

def calc_total_fuel(masses):
    fuel_sum = 0
    for x in masses:
      fuel_sum += calc_fuel(x)
    return fuel_sum

def calc_fuel(mass):
    fuel = math.floor(mass / 3.0) - 2
    if fuel > 0:
        return fuel + calc_fuel(fuel)
    else:
        return 0

input_masses = []
with open('day1_input.txt') as inputs:
    for line in inputs:
       input_masses.append(int(line))

print(calc_total_fuel(input_masses))