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]: [85.011, -20.439, 195.195, 114.286]
[EX A]: 93.513

[EX Q]: [210.345, 91.115]
[EX A]: 150.73

[EX Q]: [32.383, 25.49, 196.917, -33.413, 245.817]
[EX A]:
93.439