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.
[[61, 84, 56, 79, -138, -28, 71], [-63, 85, -183], [-47, 98], [-158, -186], [3, 24, 58, -31, -183, -186], [-19, -73, -66, 87, -164, -72], [-85, -29, -8]]