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.
[[12, 69], [58, 82, -75, 73, 12, 89, -168], [-133, -67, 30, 60, 37, 70], [-106, -122, 6, -171], [-166, 60, -94, -25, -129, -30], [-74, -18], [-139, 5, -36, -60, -108, -175]]