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.
[[47, 20, 9, 3, 83], [-154, 37, -59, -171], [43, -150, -35, -20, 100], [-119, -144, 10], [-159, -43], [39, 69, -74, -55, -38, 58]]