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.
[[-153, -21, 75, -103], [-138, -42, 56], [-136, 88, 89, -133, -9, -27], [-134, -44, -44], [34, 23, 45, -12], [-124, 14, -158, -192, -142]]