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.
[[-13, 41, -2, -10], [-11, 35, 2], [-36, -26, 33, 3, -5], [49, -49, 45, -39], [37, -3], [28, 18, 15, 15], [-18, 43, 18, -50]]