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]: [74.601, 131.018, -45.91]
[A]: 53.236


[Q]: [41.308, 149.33, -33.086, -10.268, 209.148, -69.203, -68.646, -82.073, 83.754]
[A]: 24.474


[Q]: [245.062, 197.869]
[A]:
221.466