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.
[[-45, -1, -51], [-156, -12, -52, -85, -77, -21, -82], [-134, -82, -110, -168], [-118, -182, -74], [21, -44, 78]]