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.
[[-54, 41, -176], [-68, 0, -136, -132, -146, 82, 83], [-70, 51, 19, 84, -170], [50, 40], [-169, -131]]