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: [14.587, 49.21, -21.274, -54.714, 243.935, 218.436]

SOLUTION: 75.03

PROBLEM: [100.422, 199.731, 138.971, 95.515, 9.517]

SOLUTION: 108.831

PROBLEM: [160.171, 133.389, 135.795, 42.862, 10.063, 62.897, 175.97, 133.965]

SOLUTION:
106.889