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: [159.965, 172.082]

SOLUTION: 166.024

PROBLEM: [-59.098, -22.489]

SOLUTION: -40.794

PROBLEM: [130.24, 7.735, 123.557]

SOLUTION:
87.177

