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.
[[76, -10, 56], [-177, -39, -40, 29, -17], [17, 77, 94, 58, 88, 39], [-2, 94, -166, -183, -48]]