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.
[[-139, 19, -20, -118], [65, 59], [57, -144, 14, 46, -128, -69], [-29, -66], [-135, -163, -172, 37, -1, 84, 42], [46, 10, -133, -96]]