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: [95.472, 109.291, 245.955, 86.122, -90.639, 144.544, 31.063, 89.001, 40.671]

SOLUTION: 83.498

PROBLEM: [234.404, 162.933, 178.375, 10.683, 181.727, -50.587, 169.507, -72.896, 168.06, 238.363]

SOLUTION: 122.057

PROBLEM: [193.742, 135.546, -27.097, 241.968, -83.213, 222.107, 80.495]

SOLUTION:
109.078

