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.
[[60, 50], [28, -58, -124, -52, -5], [63, -167], [71, -172, -65, 21, -137], [-47, 6, 73]]