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: [246.744, 206.484, 194.841]

SOLUTION: 216.023

PROBLEM: [162.26, 79.268]

SOLUTION: 120.764

PROBLEM: [93.869, 159.558, 192.549, 93.476, -40.309, -24.447, -22.307]

SOLUTION:
64.627