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: [217.301, 19.358, -21.02, -51.249]

A: 41.098
****
Q: [132.047, -2.027, 97.041, -49.199, 29.646, 3.384, 104.121, 237.857, 5.555]

A: 62.047
****
Q: [119.95, 74.627, -41.166]

A:
51.137
****