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.
[[-146, -111, 36], [-139, -120, -21, 75, -163, -180, 41], [-67, -133, -176], [-56, -80], [12, 51, -126, -140], [30, -199, -173, 60, 1]]