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.
[[-117, -156], [70, 47, 79, -112, -101, -155, -99], [-48, 60, 63, -124, -15, -57, -165], [16, -29, -112, 18, -104, 64, 47]]