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: [130.57, 157.221, 228.177, 32.361, 166.457]

A: 142.957
****
Q: [-51.496, 56.177, 55.554, -17.425, -6.185, 3.721]

A: 6.724
****
Q: [187.583, 187.194, 223.406, 180.269, -57.343, -89.516, 109.096, 167.103, 21.659]

A:
103.272
****