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: [20.538, 100.835, -23.197, 207.707, -12.758, 152.97, 190.404]

SOLUTION: 90.928

PROBLEM: [-81.517, 126.001, 203.19, 236.819, 36.037, 152.691, -1.444, -37.296]

SOLUTION: 79.31

PROBLEM: [197.113, 13.142]

SOLUTION:
105.128