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.
[[-44, 69, 61, 24, -52], [-136, 9], [-111, -10, -70, -123, -126, -30, -199], [-164, -156], [6, 91]]