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]: [-59.526, 55.871, 118.248, 197.073]
[EX A]: 77.916

[EX Q]: [72.755, 233.932, 245.785, 92.401]
[EX A]: 161.218

[EX Q]: [62.508, -48.659, 116.969]
[EX A]:
43.606