Definition: 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.
Input: [[-9, 35], [13, -3, 16, -31], [50, -20, -42], [-33, -19, -1], [-10, 20, 39, -4, 31], [35, 12, -4, 23], [42, 31], [4, -17, -28], [-45, -38, -40, 49, 48], [34, 19]]

[-315, 19344, 42000, -627, 967200, -38640, 1302, 1904, -160876800, 646]