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.
[[-90, -111, -196, -183, -65, -15, 75], [42, 49, -138, -173, -193], [-114, -64], [34, -67, 40, -78], [-142, 55, -12]]