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.
[[22, 25, -106, 7, -64, -50, -73], [-129, -80, -18, 55, -149, -5, -47], [-143, 86, 89, -67, 59], [73, 49, -13, -1, -12], [-18, -174, -32, 28, -68, -63], [-121, -70, -119, -3]]