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]: [185.805, 8.01, 151.056, 35.572, 51.884, 217.1, -0.547, 8.171]
[EX A]: 82.131

[EX Q]: [-28.982, -63.182, 22.408, 30.425, 125.743, 16.816, 96.711, 215.027, 32.552]
[EX A]: 49.724

[EX Q]: [-62.319, 151.254, 38.43, 247.945, 178.851, 214.918]
[EX A]:
128.18