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.
[[-86, 52, -182], [-49, 20], [-25, -66, 79, -163, -78, -15], [-56, -4, 90, 31], [-180, -71], [-45, -145, 34], [-187, -128], [56, -140, -133, -194, -20]]