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]: [128.152, 95.16, 70.113, -16.853]
[A]: 69.143


[Q]: [45.112, 147.024, -15.583, 33.655, -60.031]
[A]: 30.035


[Q]: [186.256, 170.654, 79.654, 97.597, -92.038, 86.322]
[A]:
88.074