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.
[[-26, -94, -15, 91, 81], [1, 91], [-50, 88, -44], [44, 34, -139, -7, -122, -72], [-107, 25], [-74, -45, 55, 2, -83]]