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.
[[-170, -88, 64, -149, -94], [-179, 9, 90, 20], [67, -159, 82, -4, -95, -40, -181], [-8, 4, -90], [-138, -180, 65, -102], [-23, -22, 91, 75, -159, -85, -120]]