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: [138.63, 106.759, 86.625]

A: 110.671
****
Q: [219.336, -29.108, -41.612, 105.709]

A: 63.581
****
Q: [243.298, -68.692]

A:
87.303
****