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: [149.451, 230.29, 56.327, -72.328, -73.276, -90.669, 206.191, 87.481]

SOLUTION: 61.683

PROBLEM: [-79.748, 98.398, 55.667, 77.39, -20.719, 187.168, 142.334, 110.723]

SOLUTION: 71.402

PROBLEM: [207.778, -78.48, 106.025, 89.5, -66.261, 3.733, 236.586, 234.142]

SOLUTION:
91.628