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.
[[-9, -162, -58, -49, -137, 75, -173], [34, -149, -90, 9, -162, -82, -117], [81, -33, 96, 3], [33, -86, -48, 20], [-13, -67, 21, -39, -161], [-91, 50], [17, -2]]