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: [65.591, -56.104, -28.389, -22.521]

A: -10.356
****
Q: [15.491, 60.283, 240.958, 155.995, 35.585, -55.875, 82.379, 142.503, 95.176, 85.281]

A: 85.778
****
Q: [15.342, 122.755, -76.83, -20.822]

A:
10.111
****