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: [151.151, 144.049, 217.252]

A: 170.817
****
Q: [227.601, -61.961, 78.822, -29.52, 126.039, -44.098, 112.374, -19.23, 69.758]

A: 51.087
****
Q: [-98.361, -84.91]

A:
-91.636
****