AoC 2019 #1

advent.01.py

def fuel_req(mass):
    fuel = (mass // 3) - 2
    if fuel <= 0:
        return 0
    else:
        return fuel + fuel_req(fuel)

total = 0
with open('/Users/joaoqalves/Desktop/puzzle.txt', 'r') as puzzle:
    for line in puzzle.readlines():
        total += fuel_req(int(line))
print(total)