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.
[[-72, 67], [-108, -109, 83, -121, -130], [87, 16, 21], [-63, -133, -173, -82, -102], [-137, 7], [-67, -191, -96]]