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]: [151.151, 144.049, 217.252]
[EX A]: 170.817

[EX Q]: [140.332, 92.06]
[EX A]: 116.196

[EX Q]: [167.421, -6.695, 108.904, 145.738, 230.274]
[EX A]:
129.128