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: [-51.603, 117.351, -67.451, 218.664, 68.981, 167.005, -53.851, 104.996]

SOLUTION: 63.012

PROBLEM: [185.43, -65.359, -83.971, 30.359, -1.788, 181.168, 210.362, -90.041, -26.224, 239.651]

SOLUTION: 57.959

PROBLEM: [15.381, -32.835, 231.553, 185.532, 69.076, 159.671, 209.149, 51.605]

SOLUTION:
111.142