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.
[[-128, -167, 12, -33, -120], [-16, -175], [-97, 34, -3, 41, -72], [50, 39, -128, -26, -96, -58]]