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.
[[-99, -127, -15, 20], [-23, 0, -165], [-158, -124, -57, 7], [-16, -169, 97], [83, -105, -147], [7, -159, -74, -181, -47]]