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: [217.276, 69.181, 56.534, 10.472, 148.018, 38.673, -94.676, 241.577, -23.436, 45.907]

SOLUTION: 70.953

PROBLEM: [-32.03, 84.065, 91.512, 156.512, 78.808, 165.396, 176.764, 116.6]

SOLUTION: 104.703

PROBLEM: [-77.53, 2.544, 198.154]

SOLUTION:
41.056