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: [54.908, 25.798]

SOLUTION: 40.353

PROBLEM: [182.441, 58.468, 209.229, 249.908, 32.346, 30.442]

SOLUTION: 127.139

PROBLEM: [233.581, -61.083, 38.603]

SOLUTION:
70.367