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.
[[-28, -200], [86, 56, -145, -90, -17, 12], [-164, -173, -9, 85, 84, 67], [-79, 45, -171, -70, -12], [-169, 5, -190], [-188, -89, 86, 92], [86, -78, -34]]