TASK DEFINITION: In this task you will be given a list of numbers and you need to find the mean (average) of that list. The mean of a list can be found by summing every number in the list then dividing the result by the size of that list. The output should be rounded to 3 decimal places.
PROBLEM: [15.491, 60.283, 240.958, 155.995, 35.585, -55.875, 82.379, 142.503, 95.176, 85.281]

SOLUTION: 85.778

PROBLEM: [34.718, 46.286, 107.22, 181.771, -27.702, -66.747]

SOLUTION: 45.924

PROBLEM: [235.122, 16.454]

SOLUTION:
125.788