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]: [-79.521, 169.962, 120.036, -71.612, -53.261, -90.734, -35.559, 140.419, 25.016]
[EX A]: 13.861

[EX Q]: [20.538, 100.835, -23.197, 207.707, -12.758, 152.97, 190.404]
[EX A]: 90.928

[EX Q]: [-90.555, 201.63, 149.764, 232.719, -61.716, 28.346]
[EX A]:
76.698