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.
[[-18, -128], [-145, 32, 11], [23, -194, 22], [42, -29, -32, -88], [59, -153, 71, -11, -3, -145], [-20, 12, 53, -168], [-137, 51], [42, 78, -57]]