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]: [223.951, 2.518, 140.336, -38.799, 217.497, 212.153, 21.874]
[A]: 111.361


[Q]: [-90.211, -60.08, 99.87, 18.704, 197.269, 173.722, 168.875]
[A]: 72.593


[Q]: [122.019, 183.668, 235.06, 131.735]
[A]:
168.121