题解 | #中彩票的的概率#
中彩票的的概率
https://www.nowcoder.com/practice/531e409e1b564cfbbb275c6a8d3a4b45
list1=list(input().split()) list2=list(map(float, input().split())) zipped=zip(list1,list2) zipped_dict=dict(zipped) buy=list(input().split()) p=1 for i in buy: p*=zipped_dict[i] print(round(p,3))