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, 45, 31], [-35, -13, 41], [-50, -29, 24, 22], [-41, -22], [40, 27, -37, -19], [-39, 19, 4, -44], [-1, 29], [42, -6, -31], [8, 42, 2, 30, -13], [-45, 50, -6, 39, -39]]