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: [-71.745, -18.239, 214.837, -22.915, 180.841, -4.641]

SOLUTION: 46.356

PROBLEM: [169.922, 249.47, 142.453, -55.768, 155.357, 6.096, -95.702, 243.569, 31.11, -75.031]

SOLUTION: 77.148

PROBLEM: [37.653, -0.882, 60.801, -86.383, -94.819, 155.082]

SOLUTION:
11.909