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: [227.404, 94.456, 233.241, 147.762, -31.667, -62.22, -93.912]

SOLUTION: 73.581

PROBLEM: [245.091, 201.984, 204.428, 222.046, 4.807, 21.497, -34.025, 160.097]

SOLUTION: 128.241

PROBLEM: [15.32, 225.178, 183.674, 115.255, 217.914, -0.017, 193.042, 57.041, 7.858, 63.571]

SOLUTION:
107.884