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]: [130.57, 157.221, 228.177, 32.361, 166.457]
[A]: 142.957


[Q]: [72.326, -74.6, 127.566, -54.848, 198.529, -44.061, -28.155]
[A]: 28.108


[Q]: [4.308, -60.738, -11.223, 134.912]
[A]:
16.815