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: [145.697, -40.957, -46.926, -55.065, 177.211, 204.811, -94.192, -47.466]

SOLUTION: 30.389

PROBLEM: [-75.664, 192.225, 2.107, -86.22, -51.11]

SOLUTION: -3.732

PROBLEM: [78.309, 113.056, 3.865, 202.756, 71.109, 1.263, 158.26, -26.552, 196.017, 110.39]

SOLUTION:
90.847