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.
[[-78, 47, -73, -28, -200, 9, -70], [-55, -1, -123, -181], [-173, 39, -75, -187, 10, -169, -99], [30, -155, -42, -143, -181, 34], [-13, -19, -177, -11, -20, -52]]