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: [-38.715, 205.647, 66.034, 49.8, -92.051, 111.017, 149.689]

A: 64.489
****
Q: [-50.208, 248.001, -92.993, -67.867, -25.771, 57.557]

A: 11.453
****
Q: [129.656, -24.537, 154.065, -35.645, -87.362, 0.345, 209.304]

A:
49.404
****