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.
[[-57, 66, -17, -10], [45, -72, -44, -112, -6, 53, -35], [-45, -29], [-13, -181, -89]]