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]: [169.922, 249.47, 142.453, -55.768, 155.357, 6.096, -95.702, 243.569, 31.11, -75.031]
[A]: 77.148


[Q]: [-46.113, 125.487, 133.801, 230.957, 217.606, 147.203, -27.73, 66.455, -96.494]
[A]: 83.464


[Q]: [21.756, 126.526, 28.967, 186.044, 196.473, -40.251, -45.086, 17.535, 137.938, -91.651]
[A]:
53.825