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.
[[1, -145, 1, 53], [69, -111, -31, -44, -51, 100, 36], [-152, -97], [43, 19, -115], [-17, 59, -139, 57, -153]]