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.
[[-89, 45, -119], [-110, 37, 7, -51], [-95, -133, -173], [-4, 58, 31], [53, 73]]