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: [122.737, 189.477, -4.853, 150.031, 126.296, 240.809, 204.743, 29.178]

SOLUTION: 132.302

PROBLEM: [80.493, 235.968, -57.18, 38.066, -86.511, 193.785, 156.598, 45.139, 61.791, 141.607]

SOLUTION: 80.976

PROBLEM: [229.113, 95.164, 179.669]

SOLUTION:
167.982