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.
[[-127, -198], [-79, -3, 61, -150], [-20, -44, -78, -133, -20, 16], [-71, -148]]