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.
[[23, -118, -171, 80, 34], [-2, 1, -103], [71, -128, -90, 88, 75, -120, -69]]