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.
[[-20, 23, -68, -166, -69, -60, 48], [-91, -33, 39, 6, 92, -111, -133], [-151, -28, 28, 36, -48], [-17, -101, 78], [-79, -103, -115, -140, -132, 90]]