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]: [-98.361, -84.91]
[EX A]: -91.636

[EX Q]: [118.319, 70.462]
[EX A]: 94.39

[EX Q]: [43.723, 169.474, 182.09, -77.85, 13.739, 24.184, -37.482]
[EX A]:
45.411