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.
[[-18, -58, 61, -2, -137, 72, 7], [-123, -81, -70, 16], [-60, -111, -33, -161, -106, -133, 20], [79, -172, 94, -161, -1], [-95, 78, -153, -164, 78, 98, 47], [78, -156, 37, -85, 29, -112, -167], [94, -9, -72]]