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: [224.567, -42.213, 232.017]

SOLUTION: 138.124

PROBLEM: [138.63, 106.759, 86.625]

SOLUTION: 110.671

PROBLEM: [6.899, -52.487, 98.702, -72.88, 61.749, 183.941, 19.768]

SOLUTION:
35.099