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.
[[-155, -14, 19, -63, -21], [17, -65, -57, -110, -154, -100], [86, -9, 32, -142, -182], [-119, -13, 24, -59, -75], [-98, 59, 55], [-8, -92, -125, 3, -121], [-163, -124, -67, -128]]