计算书费元组方法

解题思路:

注意事项:

参考代码:

prices=[28.9,32.7,45.6,78,35,86.2,27.8,43,56,65]

counts=list(map(int,input().strip().split()))

sum_price=sum(price*count for price,count in zip(prices,counts))

print('%.1f'%sum_price)