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]: [-72.554, 9.809, 27.09, 190.698]
[EX A]: 38.761

[EX Q]: [194.964, 80.506, -41.268, 32.912, -21.6, 21.543, 69.269]
[EX A]: 48.047

[EX Q]: [188.616, 79.003, -65.615, -76.318, 83.026, -69.252, 214.45, 35.643, -63.812, -85.226]
[EX A]:
24.051