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.
[[78, 47, -92, -13], [-96, -82, -2, -121, -170, 97], [-25, 34, -96, -66, -40, 65], [-13, 35, -59, 100, -164], [-39, -131], [-7, -166, -29, 22, -3, -100, -72]]