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: [171.805, 71.031, 36.192, 28.948, -58.045, 53.843]

SOLUTION: 50.629

PROBLEM: [1.435, 246.462, 5.433, -3.093, 31.948, 113.344, 41.816, 43.437, -93.129, 116.292]

SOLUTION: 50.395

PROBLEM: [-0.575, 93.345, -30.027, 195.567, -72.269, -48.251]

SOLUTION:
22.965