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.
[[22, 11, -72, -160, -141, -74], [88, -63, -98, -157], [-72, -180, -114, -163], [-156, -146, 86, 71], [-39, 76, -164, -20, -141]]