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.
[[21, -143, 100, -121, 53], [-196, 60, 71], [-71, 38, -90, -65, -98], [-76, -31, -114, 10, -102, -81, 11], [-132, -94, -171, -142, -1, -80, -90], [8, -113, 13], [-114, 79], [-142, -194, -116, -90, 30]]