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: [-51.625, 100.25, -75.262, -53.896]

A: -20.133
****
Q: [84.13, 59.186, 115.606]

A: 86.307
****
Q: [208.67, 149.285, 234.484, 13.637, 154.501, 65.262]

A:
137.64
****