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.
[[-23, 48], [-45, -26], [20, -12, -38, -11, -10], [21, 3, 31], [-24, 22, 36], [41, 49, -22, -45, -21], [-48, 4, -20, -33, 3], [0, 29, 40, 18]]