Instructions: In this task you will be given a list, of lists, of integers. For every inner list contained in the input list, you should multiply every even number in that list. The output should be a list of integers with the same length as the number of lists in the input list. If there are no even numbers in an inner list you should output 0 for that list.
Input: [[17, 8], [30, 17, 16, 12, -11], [1, 16, 48, 45], [38, 1, 2, 46]]
Output:
[8, 5760, 768, 3496]