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: [22.306, 72.768, 218.947, 52.973, 100.121, 157.59, -92.109]

SOLUTION: 76.085

PROBLEM: [-3.281, 84.204, -74.415, 151.616, 14.048, -98.313, 95.625, -79.981]

SOLUTION: 11.188

PROBLEM: [162.645, 32.079, 127.117, 36.041, 19.521, 221.266, -68.557, 199.936, -14.933, -72.207]

SOLUTION:
64.291