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.
[[100, -44], [-123, -113, -69, -183, 62], [-160, 83, -58, 11, -116, 2, 81], [-125, -139, 57, 74, -164, -157]]