In this task you will be given a list of lists, of numbers. For every inner list, you should multiply every number in that list and put the results in your answer. The output should be a list of numbers with the same length as the number of the lists in the input list.
[[17, 40, 31, -4], [38, -13, 44, 49, 23], [-45, 40], [-12, -29, -4, 49], [-34, 10, -39, -28, -24], [-33, -35, 30, 42], [-17, 42, -35, -42, -15], [-37, 40], [-46, -39, 28]]