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.

Q: [136.816, 121.886, 38.032, 81.322, -0.781, 112.95, 49.478, 219.21, -42.397]

A: 79.613
****
Q: [4.435, 100.482, 125.267, -76.982, 9.994, 192.069, 54.099, -40.749]

A: 46.077
****
Q: [9.281, 44.789, 159.19, 240.99, -85.827, 173.455, 218.464, 197.377, 78.015]

A:
115.082
****