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: [21.953, -90.519, 92.624, 189.808, 130.57, -33.423, -16.126, 31.61, 119.582]

SOLUTION: 49.564

PROBLEM: [113.238, 247.072, -31.448, -33.563, 74.519, 67.841]

SOLUTION: 72.943

PROBLEM: [107.185, 44.602, 211.189, 152.337, 47.089, -0.203, 3.234, -93.925, 93.86]

SOLUTION:
62.819