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.
[[35, -86], [-83, -51, -85, -31], [-179, -44, 91], [-18, 27, 28, 34, -142], [45, -109, -86, -35, -151, -74], [84, 80], [-67, 80, -136]]