In this task, you are given a list. This list contains many lists of integers. The list is several items written within a []. Your task is to find the maximum number among the members of each inner list. The output should be a list comprised of the maximums with the same order as the internal lists.
[[74, 2, -1, 39], [5, -125, 34], [-189, 25, -111, -98, 39, 85, -43], [54, 23, -24], [11, 5, -159, -111, -23, -40, -6], [52, -43, -60, -1, -79, 81], [57, -133, -187]]