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.
[[-74, 5, -67, 67, 24, -3], [27, -80, -129], [-164, -114], [-190, -132, -121], [-134, -139]]