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.
[[-75, 58, -1, -188, -187, -72, -179], [-61, 19, 5, -26, 11], [31, 68, -15, -29]]