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.
[[91, -30, -165, -83, -18, 16], [-187, -77, -17, -151, -93, -151], [-135, -172, 18, 64, -60, 7, -119], [-189, 38, 81, 6, -68, -147, -36], [54, -171], [-139, 100, 28, -55, 52, 21, 82]]