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.

[191.996, -86.097, 81.958, -22.864, 102.176, 41.523, 222.055, 2.513, 184.656, -50.416]
66.75

[4.435, 100.482, 125.267, -76.982, 9.994, 192.069, 54.099, -40.749]
46.077

[-65.563, 10.333]

-27.615