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.
[[-119, -180, -68, -163], [-175, 15, 52], [78, 50, 57, 39, -71, -124, -108], [19, -98, -146, -89], [81, -152], [-144, 8, -140]]