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.
[[-163, -129, -176, 12], [-28, -195, -125, -107, 23, 69], [-128, -129, -47, -30], [-53, -56, -32, -67, -7, -81, -156]]