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: [-57.838, -63.616, 49.646, -45.262, 73.1, -82.399, 47.168]

SOLUTION: -11.314

PROBLEM: [185.43, -65.359, -83.971, 30.359, -1.788, 181.168, 210.362, -90.041, -26.224, 239.651]

SOLUTION: 57.959

PROBLEM: [88.818, 93.005, 194.091, 24.373]

SOLUTION:
100.072