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.
[[-24, 66, -115, -170, -167, -118, -31], [91, -113, -146], [-150, 42], [-64, -194, -151, 84, -156, 30]]