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.
[[-25, -18, 39, -83, -179, -115], [-159, -54], [-150, 34, 18, -102, 24, -89, -29], [90, 36, -32]]