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.
[[-141, -58, -104, 40, 23, 66, -104], [-55, -133, -186, -131, 10, -152]]