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.
[[-129, 88, -69, -120, -158, -134, -148], [48, 20, 27, -114, -176, -59, -92], [-174, -176, -177], [22, -29], [-109, -156, -81, -12, 51]]