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.
[[-156, -2], [-2, 29, 61, 13, 72, 6], [-43, -129, 71], [-17, 18, -130, -6, -186, 15, -68], [0, -23, -27]]