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.
[[42, -89, 46, -138], [-95, 82], [-3, -154], [11, 58, -187, -102, 85], [43, 39], [-1, -155, 91, -41, -151]]