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.
[[-144, -24, 53, 40, -68, 92], [-82, -167, -42, 2, -99, -53, -188], [-28, 93, -156, 48, 67, -75], [-121, -34], [-128, -81, -59, -178, -170]]