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]: [207.449, 85.584, -55.048, -10.53, 30.755]
[A]: 51.642


[Q]: [135.962, 136.509, 77.88, 148.448]
[A]: 124.7


[Q]: [124.807, 131.922, 5.54]
[A]:
87.423