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, -8, -169, -187, -42], [-186, -19], [5, 83, 37, -34, -123, -2, -121], [-70, -43, 2, -108, -152, -188], [-98, -25, -128], [38, -144, 29]]