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: [219.428, 229.08, 24.616, -83.165, -28.839, 195.219, 170.491, -78.673]

A: 81.02
****
Q: [21.723, 130.05, 75.095]

A: 75.623
****
Q: [50.44, 163.449, 181.067]

A:
131.652
****