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.
[[-42, -24], [-79, -66, 27, 82, -72, -115, -171], [-138, -34, -65, -123, -179], [-136, 80, -191, 49, -17, -74]]