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, -142, -24, -3, -41], [40, -1, -105, -42, -45, -36], [-64, -41], [-180, -172, -23, -120], [-65, -128, -186, 53]]