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.
[[74, 75, 0], [-104, -122, 55, 84, -28], [-86, 96, -171, -9, -55, -123, 2], [-97, -137, 0, 41, -117], [18, -68]]