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.
[[99, -50, -59, 48, -134, -18], [-102, -128], [97, -56, -71, 41, -169], [41, -171]]