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: [182.852, 102.398, 200.428, -71.943, 50.578, -59.389, 0.465]

SOLUTION: 57.913

PROBLEM: [70.553, 193.054, 166.173, 115.812]

SOLUTION: 136.398

PROBLEM: [49.319, 81.528, -74.362, 101.648, 76.452, 45.877, 242.448, 150.207, -70.206, -55.065]

SOLUTION:
54.785