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: [-32.499, 21.999, 235.435, 58.638, -57.806, 224.947, 74.782]

SOLUTION: 75.071

PROBLEM: [14.587, 49.21, -21.274, -54.714, 243.935, 218.436]

SOLUTION: 75.03

PROBLEM: [-43.674, 91.258, 128.43, -82.839, 8.364, 227.158, 96.238]

SOLUTION:
60.705