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: [211.292, 92.275, 128.423, 242.327, -54.053, 89.501, 64.784]

A: 110.65
****
Q: [-6.992, -36.177, -95.203, 87.142]

A: -12.808
****
Q: [21.953, -90.519, 92.624, 189.808, 130.57, -33.423, -16.126, 31.61, 119.582]

A:
49.564
****