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]: [41.081, 166.314, -14.556, -84.648, -8.286]
[EX A]: 19.981

[EX Q]: [89.226, 241.396, 7.011, 114.867, 113.075, 103.559, 83.142, 188.743, -27.33, 180.773]
[EX A]: 109.446

[EX Q]: [30.836, -5.848, 31.936]
[EX A]:
18.975