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]: [113.238, 247.072, -31.448, -33.563, 74.519, 67.841]
[A]: 72.943


[Q]: [59.251, 198.593]
[A]: 128.922


[Q]: [115.778, 82.548, -1.736, 187.137, -21.418, -15.35]
[A]:
57.826