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]: [93.048, 173.783, 88.736, -95.085, -77.155, -2.381, -84.313]
[EX A]: 13.805

[EX Q]: [-41.714, 218.588, 49.769, 142.519, 179.776, -99.226, 224.69, 191.642]
[EX A]: 108.256

[EX Q]: [230.02, 185.716, 56.419, 46.123, -30.498, 143.099, -87.367, -65.327, 125.229]
[EX A]:
67.046

