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.
[[-187, -169, -193, -179, -160, 37, -121], [36, -145, -189, -132, 0, -65], [44, 8, -72], [30, -71, -88]]