题解 | #中彩票的的概率#
中彩票的的概率
https://www.nowcoder.com/practice/531e409e1b564cfbbb275c6a8d3a4b45
import math
num_list = list(map(int, input().split()))
odd = list(map(float, input().split()))
niu_list = list(map(int, input().split()))
cp_dict = {}
for key, value in zip(num_list, odd):
cp_dict[key] = value
out = [cp_dict[i] for i in niu_list if i in cp_dict.keys()]
print("{:.3f}".format(math.prod(out)))
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