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: [-46.14, -0.077, 72.663, 81.035, -24.144, 66.514, 98.199]

SOLUTION: 35.436

PROBLEM: [134.631, 27.106]

SOLUTION: 80.868

PROBLEM: [156.604, 235.556, 15.475, 164.817, -14.254, 216.116]

SOLUTION:
129.052