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.

[[-31, -48], [7, -142, -76]]
[-31, 7]

[[-38, -147, 7, 87, 35, -6, -90], [-83, 85, -60, -52, 8, -114, -191]]
[87, 85]

[[-153, 49, 69, -27, -92], [-91, -14], [-182, -57], [43, -115, 86]]

[69, -14, -57, 86]