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: [135.962, 136.509, 77.88, 148.448]

A: 124.7
****
Q: [217.978, 70.977, 31.129, -87.408, -99.013, 249.862, -87.151, 207.527, 43.432]

A: 60.815
****
Q: [-99.693, 185.037, 184.098, 105.53, -43.717, 127.516, 155.796, 89.64, 11.893]

A:
79.567
****