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.
[[5, 21], [-107, -133, -159, 26, -21, -200], [-188, -44], [-74, -106, 71, -131, -121, -165], [81, 19, -153, -180, -8, 68, -58], [-113, -175, 65]]