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.
[[-153, -153, -77, 39], [6, -153, -68, -193, -39], [91, -51, -48], [-140, -7], [-165, 52], [-92, 91, 70, 99, -128, -191]]