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.
[[-98, -52, -176, -90, -133, -171], [53, -21, -199, -21, -135, 86], [-38, -98, -77, -68], [-106, -135], [-115, 66, -57, 55, -21, 76, 28], [-109, 75, -111, -130, -111, 62], [-123, -37, 89, -21, -118, -149]]