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]: [199.874, -45.634, -39.343, 75.985, 143.35, 87.15, 120.645, -34.636, 159.567]
[A]: 74.106


[Q]: [157.423, -98.775, -67.748, 25.759, 24.697, 150.289, -68.457, 212.57, -9.355]
[A]: 36.267


[Q]: [-28.435, -27.248, 207.783, 11.037, 69.144, 72.298, -15.965, 67.366, 180.976]
[A]:
59.662