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.
[[46, -118], [-189, -80], [-85, -87, -90], [6, 82, -152, -196], [-4, -39, -176, -172, -50, -129, -173], [-81, 39], [-4, -45, -11, 52, -28, 84]]