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.
[[-9, -51], [41, 21, -161, -152, -183, 53], [45, 0, 53, 20, -86, 40], [0, -51, -190, 56]]