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.
[[38, -167, -114, 78], [-12, -192, 25, -91, 2, 70], [89, -55, 50], [-38, -136, -136, -160, -57, -126, 9]]