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.
[[-60, 85, 9, -81, -12, -145, -183], [48, 58], [-151, -28, 40, 79], [-129, -116, 40], [-149, 81]]