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: [185.594, 89.215, 19.941, 23.299, 47.251]

SOLUTION: 73.06

PROBLEM: [204.235, -53.675, 201.303, 20.869]

SOLUTION: 93.183

PROBLEM: [176.346, -3.978, -1.025, 143.871]

SOLUTION:
78.804