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.
[[45, 42, 23, -24], [-21, 21, 5, 49], [-30, 17], [-43, -39, -24, -38], [-9, -1], [-19, 25, -41, 8], [44, 29, 9], [29, 47, 5, 31], [1, 3, 50, 9]]