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, -31, -30, 31], [-147, 55, -200, -14, -134, -15], [-195, 16, -176, -133], [-69, -3, 9, 3], [-4, -188, -115, -121, -140, -133, -155]]