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]: [70.553, 193.054, 166.173, 115.812]
[A]: 136.398


[Q]: [222.94, 54.014, 232.208, -16.089, 214.915, 2.232]
[A]: 118.37


[Q]: [-51.467, 12.889, 52.598, 221.387]
[A]:
58.852