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]: [112.026, 20.03, 73.595, -24.957, 185.718, 36.43, 206.024]
[EX A]: 86.981

[EX Q]: [206.606, -76.103, -16.863, 44.126, 4.019, 15.088]
[EX A]: 29.479

[EX Q]: [183.473, -80.316, -30.328, 56.767, -57.165, 125.981, -74.7, 58.898, 131.679]
[EX A]:
34.921