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]: [141.597, -13.558, -15.987, -52.44, 77.914]
[A]: 27.505


[Q]: [176.928, 146.579, 134.498, 146.776]
[A]: 151.195


[Q]: [205.535, -89.771, -80.797, 118.21, -89.594]
[A]:
12.717