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.
[[76, -137, 39], [-159, -171, -5, -137, -103, 5], [88, 52], [-133, 6, 84, -110, -126, 18, -4], [-58, 66, -28], [-143, 20, 69, -92]]