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.
[[-159, -44], [-59, -183, 57, -155, -92, 100, -10], [71, -47, -90]]