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.
[[-195, 70, -139], [60, -30, -37, -4, -26, -4, -142], [61, -127, 88], [-18, -23, 23, -155], [-95, -131, -151, -198, -98, -153, 74], [31, -12, -144, -4]]