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.
[[21, 33, 7, -7, 47], [30, -42, -37], [-17, -10, 26, 37], [-45, -34, 31, -43], [30, 29], [33, 10, 20, 14, 42]]