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.
[[70, -121, -154, -99, 76, 89, -99], [-154, -54, 50, 13, -171, 20, -71], [-25, -171, -40, -54], [-181, -156, 50, 98, -56, 95, -200], [-38, 4, 29, -10, -177, -58], [-66, 25, 28, -160, -94], [42, 3, -14, -129]]