贪心钞票问题

python 源码
V是操作者自由输入，可换.
n是每种钞票的个数

m=[5000,2000,1000,500,200,100,50,20,10,5,2,1]
V = 55000 #changeable
def Pay(m,V):
    n=[0]*12
    R = V
    i = 0
    while R>0:
        if m[i] <= R:
            R-=m[i]
            n[i]+=1
        else:
            i+=1
    print n

Pay(m,V)