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]: [99.278, 72.353, -21.292]
[A]: 50.113


[Q]: [224.131, -2.975, 101.116, 127.048, -67.279, -25.825, 136.475, -51.855, 117.178, 219.264]
[A]: 77.728


[Q]: [14.759, 72.833, -16.152, 36.847, -19.054, 182.911, -83.998, -7.533, -50.458]
[A]:
14.462