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: [14.587, 49.21, -21.274, -54.714, 243.935, 218.436]

A: 75.03
****
Q: [53.391, 118.782, 102.742]

A: 91.638
****
Q: [-13.739, 48.4, -25.661, 184.205, -59.52, 105.713, 120.169, 154.053, 30.726]

A:
60.483
****