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]: [-65.295, 113.842, -82.683, 235.996, 143.686, 31.127, 135.386, 217.657, -87.331]
[A]: 71.376


[Q]: [236.753, 184.794, -45.415, 20.278, -41.34, 109.146, 176.83]
[A]: 91.578


[Q]: [113.0, 133.847, 203.425, 39.379]
[A]:
122.413