TASK DEFINITION: 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.
PROBLEM: [[-112, -17, -98, -64, -29], [-83, -82, -31, -120, -63, -175], [-82, 56, -3, -62, -42, -110, -136], [-68, 39, -48, 64]]

SOLUTION: [-17, -31, 56, 64]

PROBLEM: [[-145, -140, -7, -47, -28, -158], [-15, -2, 91, 64, 43, -22, -33], [-165, 31, -25, 46, -178, -168, 93], [-146, -51, 86], [-107, 39, -154, -156, -33], [-89, -36, -35, -106], [-21, 28, -165, 23, -81, 74, -138], [-45, -28, 72, -140, -87], [17, -83]]

SOLUTION: [-7, 91, 93, 86, 39, -35, 74, 72, 17]

PROBLEM: [[58, -156, 83, -3, -38], [-118, 23, -196, -152, -97], [-49, -21, -99, -147]]

SOLUTION:
[83, 23, -21]