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.

[EX Q]: [126.177, 120.225, 231.498, 170.694, 34.361, 101.823, -21.468, 234.339]
[EX A]: 124.706

[EX Q]: [192.529, -67.249, 123.707, 41.987, 11.587, 202.189, 12.989]
[EX A]: 73.963

[EX Q]: [99.429, 6.36, 87.795, 38.17, -88.231, 171.334]
[EX A]:
52.476