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: [-13.67, 239.672]

SOLUTION: 113.001

PROBLEM: [-2.425, -41.007, 142.975, 117.593, 142.875, -69.307, -38.932, 92.631, 158.921, 87.117]

SOLUTION: 59.044

PROBLEM: [51.133, -97.09, -84.103, 153.976, 102.201, 236.147, 157.731, -3.464, 170.271, 112.312]

SOLUTION:
79.911