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.
[[73, -149, -105, -2, 69, 31], [-141, -124], [-175, 60, -136, -65], [-51, -163, -69, 67, -47, -197], [-143, -43, -52, -58, 20], [-149, -4], [-1, -152]]