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.
[[25, -189, -85, -47, -70], [-57, -125, 76, -134, 82, 40], [94, 20], [-37, 72, 77, 70, -16], [-31, -162], [-156, -105, 54, 64, 15, -159]]