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.
[[-12, -99, -96, -148], [-73, 42, -140, 51, -88, 64], [22, -142, 82, -110, -190, 80], [-97, -113, 50], [41, -83, -153, -158, -18, -1], [-60, 7, -22], [-136, -68, -100, -37, 40]]