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]: [245.466, 19.262, 199.878]
[A]: 154.869


[Q]: [178.031, -52.967, 31.914, 174.681, 155.375, -3.831, 165.333, 10.246, -14.468]
[A]: 71.59


[Q]: [160.844, -61.583, 34.288, 211.658, 128.11, 5.309, 235.818, -7.692, 219.053]
[A]:
102.867