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.
[[-80, -135, 74, 52, -88, 40], [-41, 72], [-104, -150, -130, 87, -142, -89, 16], [-152, 93, -160]]