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.
[[-21, -175], [82, 88, -6, -25, -161, -102, -51], [8, -44], [88, -70, -124, -142], [-191, -184, -50, -87, -13], [91, -78], [-197, -56]]