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.
[[-86, -68], [41, -41, -129, 34, -200, 39], [55, -16], [-68, 40, 82]]