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.
[[-14, -34, -113, -138, -22], [77, -83, 95, -95, -153], [-5, -143, -46, -134], [-116, 14, -113, -131, -161, 13, -178], [-140, -50], [-71, -50, 59, -4, 51, 74, -31]]