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: [85.925, 218.341, -55.232, 136.11, 243.387, 98.158, 183.742, 85.875, 124.291, -95.213]

SOLUTION: 102.538

PROBLEM: [157.14, 120.799, -55.651, -50.479, 89.067, 192.279, 57.227, 137.972]

SOLUTION: 81.044

PROBLEM: [248.021, 18.192, 75.047, 126.246, 125.821, 50.607, 10.831, 120.176]

SOLUTION:
96.868