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.
[[-53, 36, -192, -10, 54], [-178, -149], [-122, -126, -3, 66, -1], [-192, -108, -76, -181, 64, 31, 39]]