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.
[[-193, -69, -140, 46, -196, -191, -134], [-45, 43, -144], [-40, 85, -186, -15, -159, 39]]