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.

[194.983, -22.961, 95.798, -2.34, 178.547, -90.942, 122.52, 109.389]
73.124

[-96.182, -37.177, 130.645, -44.92, -12.78, 90.335, -99.791, -11.926, 217.275]
15.053

[-68.889, 87.274, 226.539, -68.827, 28.425, 213.866, -79.699, 147.004, -69.122]

46.286