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: [134.631, 27.106]

SOLUTION: 80.868

PROBLEM: [-44.354, 8.74, 34.514, 207.685]

SOLUTION: 51.646

PROBLEM: [8.411, -30.911, 93.789, 108.922]

SOLUTION:
45.053