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.
[[-150, -167, -63, 98, 81, -183], [-54, 48], [-50, -153, -197, 12, -7], [57, 6, -58], [45, -129, -35, -25, 4, -24], [-97, 52, -121, 20]]