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.
[[70, -120, 35], [100, 49], [-42, -109, 67, 59], [-128, -88, 18, 90, 0], [30, 1], [47, -16], [-49, -171, 88], [-118, 87]]