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.
[[92, -168, -46, -156, 71], [52, 42, -149], [-198, -134, 1, -53, 21, 88]]