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.
[[5, -109, 92, -120], [94, 39], [-100, 10, 9, 32, -89, 58], [-30, -63, -163, -47, -32], [-155, -141], [-70, -42, -69, 81, -65]]