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.

[118.319, 70.462]
94.39

[152.683, 147.968, 62.877, -44.254, 4.344]
64.724

[45.549, 93.19, 223.167, 128.466, 154.995, 45.222, 197.511, -54.732, 130.321]

107.077