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: [17.002, 179.236, 60.396, 98.09]

SOLUTION: 88.681

PROBLEM: [-10.287, -0.47, 195.152, 209.845, -64.645, -82.959, 106.327]

SOLUTION: 50.423

PROBLEM: [118.212, 39.323, 78.428, 34.768, -42.228, 102.675, 206.803]

SOLUTION:
76.854