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.
[[-159, -15, -92, 63, -12, 13], [-145, -113], [38, -66, -184, 83, -4, -69, -73], [83, -167, -54]]