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.
[[31, -18, -33], [-13, 43, -1, 36, -43], [-18, 40, -48, -22, 46], [-17, 39, 12, -13], [-34, -8], [42, -16, -39, 28, 30], [-15, -33, -19, 24, 44], [-25, 41, -28, -31, 45], [28, -36, -37, 29, 6], [46, 21, 28, 49]]