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: [51.02, -71.125, 178.19, -7.234, -99.571, -17.215]

SOLUTION: 5.677

PROBLEM: [-89.318, 247.959, 25.441, -92.763, 172.246, -57.286, 181.58]

SOLUTION: 55.408

PROBLEM: [167.257, 45.452]

SOLUTION:
106.354