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.
[[42, -19, -31, 50, -29], [46, 2, -14, -26], [-44, 40], [48, -22, -16, 0], [35, -21], [-5, -31, 6], [36, -45, -9], [50, -40, -41], [22, 39, 40, 49]]