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.
[[-109, -189, -173, 12, -164], [-99, 64, 15], [-48, -90, 94, -161], [-171, 41, -96, -101, -40, 27], [-91, -64, 27, 46, 90], [-41, -173]]