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.

[EX Q]: [198.323, 108.702, 38.704, -8.85, 57.749, 108.604, -20.56, 229.826, -85.953, 177.128]
[EX A]: 80.367

[EX Q]: [13.21, 76.551, 51.016, 230.763, 149.792, 157.216, 117.414, 144.272, 5.805, 118.165]
[EX A]: 106.42

[EX Q]: [158.125, -25.953]
[EX A]:
66.086