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.
[[31, -148, -130, -65], [-66, -101], [35, -34, -161, -75, 87, 82], [-134, 60, 2, -194, -112, -173], [-150, -61, -119, 78, 51], [-9, -140]]