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.
[[-128, -143, -34, -23, -163, 15, -138], [-176, -27, 86, -94, -55], [-128, -95], [22, -100, -58, 99, -72, -158], [-112, -49, -40, -149, -123, -67, -160]]