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]: [-44.977, 79.906, -20.036]
[EX A]: 4.964

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

[EX Q]: [98.762, 150.27, 18.724]
[EX A]:
89.252