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]: [38.343, 177.478, 120.174, -74.923, 98.159]
[A]: 71.846


[Q]: [58.371, 4.131]
[A]: 31.251


[Q]: [172.614, 46.128, 219.08, -19.082, 92.393, -22.178, -67.633, 40.09]
[A]:
57.677