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: [225.697, 75.029]

SOLUTION: 150.363

PROBLEM: [41.573, 107.077, 26.564, -66.491, -90.163, 199.995, -28.782]

SOLUTION: 27.11

PROBLEM: [-27.223, 144.738, 134.533, 213.727, -72.707, 61.629, -96.294, 94.71, -61.109]

SOLUTION:
43.556