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.
[[-20, -43], [-22, -31, 23, -8], [17, 26], [47, -15, -44, 48], [12, 43, -7, -4], [-31, -14, 8]]