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.
[[-4, 31, 21, -10, -19], [-19, -15, -30, 34], [28, -10, -36, 48, 18], [-36, -38, -46, -8], [-41, 17, 16, -3, -37], [8, 20, -12, -43], [-11, 10], [43, -8, -10, -45, -43], [-19, 18, 31], [-18, -5]]