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.
[[-162, 59, -144, 95, -11, 57, -148], [-155, -128, 99, -57, 2, 47], [-87, -39, -136], [-158, -175, -88], [-48, -96, -139]]