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]: [26.145, -44.254, 127.581, 162.122, 82.003, 143.809, 96.47, 34.362, 71.469]
[EX A]: 77.745

[EX Q]: [225.697, 75.029]
[EX A]: 150.363

[EX Q]: [-6.305, 138.079, 112.522, 52.257, -2.129]
[EX A]:
58.885