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.
[[-67, -14, -6, 71, -48], [-93, -22, -73, -188, 7, -113], [-29, -54], [68, -86, -75, -159, -142, -76]]