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.
[[-106, -135, -41, -6], [-94, -164, -154, -155, 28, 96, 56], [-42, -183, -144, -154, -172, -57]]