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]: [-71.118, 160.927, 230.116, -26.655, -4.297, 64.272, 72.304, 41.517, 242.068]
[A]: 78.793


[Q]: [227.874, 175.626, 193.094, 63.963, 139.938]
[A]: 160.099


[Q]: [21.445, -36.626, 184.86, 72.243, 229.642, -85.168, 133.183, 9.889, 222.113]
[A]:
83.509