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]: [-27.115, -11.908, 125.703, 202.749, 139.333, 242.982, -93.292, 161.484]
[EX A]: 92.492

[EX Q]: [113.238, 247.072, -31.448, -33.563, 74.519, 67.841]
[EX A]: 72.943

[EX Q]: [111.39, 91.315, 18.803, -0.806, 157.023, 191.89, 32.274]
[EX A]:
85.984