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.
[[-18, -19, -143, -158, -38, -85], [-6, 12, -74, -175, 96, -159], [-82, 86, 40, 13, 67], [100, -190, -120, 40], [34, -23, 74, -22, -21, 86, 22]]