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]: [-47.309, -46.076, 191.14, -6.032, 4.858]
[EX A]: 19.316

[EX Q]: [182.34, 105.105, 248.658, 104.174, -98.917, -47.707, -61.048, 241.903, -34.659, 31.89]
[EX A]: 67.174

[EX Q]: [135.601, 195.027, -90.321, 4.273, 149.687, 16.342, 31.166, 120.824, -13.427, -73.626]
[EX A]:
47.555