题解 | 中彩票的的概率
中彩票的的概率
https://www.nowcoder.com/practice/531e409e1b564cfbbb275c6a8d3a4b45
numbers = list(map(int,input().split()))
probabilities = list(map(float,input().split()))
bought_numbers = list(map(int,input().split()))
prod_dict = dict(zip(numbers,probabilities))
winning_prod = 1
for number in bought_numbers:
winning_prod *= prod_dict[number]
print(f"{winning_prod:.3f}")
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