一千美元的故事(钱放入信封中)

def dollar(n):
    global story_money
    money = []
    for i in range(10):
        if 2**(i+1) > story_money-sum(money):
            money.append(story_money-2**i+1)
            break
        money.append(2 ** i)
    # print(money)
    answer = []
    if n >= money[-1]:
        answer.append(10)
        n -= money[-1]
    n = list(bin(n))[2:]
    n.reverse()
    rank = 1
    for i in n:
        if i == ‘1‘:
            answer.append(rank)
        rank += 1
    print(answer)

story_money = 1000
dollar(500)