Minimum Coins (CodeEval) in python 3.x

main.py

# coding=utf-8
import sys

coin_values = [1, 3, 5]


def main():
    with open(sys.argv[1], "r") as f:
        for line in f:
            line = line.rstrip()
            value = int(line)

            total_coin_count = 0
            for coin_value in reversed(coin_values):
                coin_count = value // coin_value
                total_coin_count += coin_count
                value -= coin_count * coin_value
                if value == 0:
                    break

            print(total_coin_count)


if __name__ == "__main__":
    main()