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.
[[-116, -99], [-114, -102, -174, 25], [-45, -10, -86], [-34, -84, -64, -68], [-138, -2, -137], [-23, -133, 37]]