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.
[[-66, 71, 9], [-141, 87, -131, -137, -115], [-109, -60, 43, -57, 53, 65, -200], [-32, -125, -54, -55, -82, 30, 8], [0, -87, -153], [-118, 31], [-1, -142]]