Masked Product X57176

Statement

Write a function $prodmask(s, m)$ that receives two lists of integers $s$ and $m$ , of the same length, and returns the product of all the values $s[i]$ such that $m[i]$ is odd.

Sample session

>>> prodmask([2, 3, 4, 5, 6], [1, 5, 1, 3, 1])
720
>>> prodmask([2, 3, 4, 5, 6], [0, 0, 4, 11, 0])
5
>>> prodmask([1234], [0])
1
>>> prodmask([1234], [1])
1234
>>> prodmask([], [])
1

Information

Author: José Luis Balcázar
Language: English
Official solutions: Python
User solutions: Python