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, 15, -19, -17], [-41, 33, 28, 43, -28], [30, -41, -28], [50, -31], [49, -44, -8, 2, 18], [-49, 26, 17, -9], [-19, -39, -5], [-15, -30, -44, -17, 16], [20, -28, -49, 41, 45]]