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.
[[-46, -30, -38, -119], [-5, -176, 12, 1, -138], [-111, -82], [-18, -83, -46]]