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.
[[-40, -152, 91, 29], [-166, -92, -152, 19, 92, -149, -111], [-19, 32, 95, 37, -183, -169, -168], [-42, 32, -83]]