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.
[[44, -146], [-38, -81], [-147, -58], [31, 2, 81, -153, -197, 71, -160], [-40, -144, -9, -68]]