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.

[EX Q]: [146.815, 125.411, 84.472, -63.01, 79.256, -34.213, 248.004, -86.96, -39.397]
[EX A]: 51.153

[EX Q]: [-2.772, 225.483, 211.749, 45.779, -82.623, 229.799, 107.783, 64.653]
[EX A]: 99.981

[EX Q]: [207.804, 175.122, 13.63, 217.625, -98.484]
[EX A]:
103.139