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.
[[89, -156, -74, -74, 87, -79], [44, 86, 38, 45, -149, -165], [29, 4, -72]]