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.
[[-188, -122, -186], [-181, -29, -137, -112], [-146, 77, -102, -59, 42, -55, 62], [-64, 9, -42, -64], [67, 40], [-75, -55, -18], [91, -107, 59]]