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.
[[53, -177, 28, 18, -72, 2, -94], [-66, -80, 68, -100, -18, -121, 74], [38, -20]]