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.
[[84, -15, -28, -191], [40, -154, -148, -18, -68, -150, -19], [-100, 56], [3, 56, -120], [13, 68, -139, -196], [-40, -34, -148, -164, -130, -9, 57]]