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.
[[-56, -68, -93, 90, -159], [-171, -128, -48, 23, 31, -197, -103], [-107, -19, -72, 62, 69]]