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.
[[-85, -34, -71, -76, -121, 39], [-43, -175, -67, -154, -80, -17], [42, -193, 37, 66], [-111, -153], [67, 80]]