Change using 5s and 7s

change.py

def change(amount):
    assert(24 <= amount <= 1000)

    if amount == 24:
        return [5, 5, 7, 7]
    if amount == 25:
        return [5, 5, 5, 5, 5]
    if amount == 26:
        return [5, 7, 7, 7]
    if amount == 27:
        return [5, 5, 5, 5, 7]
    if amount == 28:
        return [7, 7, 7, 7]

    coins = change(amount - 5)
    coins.append(5)
    return coins


for n in range(24, 100):
    print(f'{n}: {change(n)}')