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.
[[13, -57, 74, -172, -197], [-193, -129, -167, -47, 45], [-102, 26, 39, -101, -45, -151, 81]]