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.

[208.678, 219.921, 113.318, 23.83, -42.88, -32.702, -36.191, 117.84, 91.988]
73.756

[118.319, 70.462]
94.39

[30.232, 149.907, 184.339, 56.011, 193.276, 16.681, 193.97, 88.932, 111.693, 99.229]

112.427