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.
[[59, 37, -94], [-139, -78, 67], [-85, 41], [-189, -176, -86, -100, -171, 3, 13]]