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.
[[-82, -39, 97, -145], [-150, 22, -171, -180, -165], [-29, 41, -87, -123], [24, -5, -1], [-21, -125], [-198, -19, 91]]