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.

[Q]: [-40.016, 117.495]
[A]: 38.74


[Q]: [130.57, 157.221, 228.177, 32.361, 166.457]
[A]: 142.957


[Q]: [52.077, 161.909, -69.909, 173.237]
[A]:
79.328