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]: [162.434, 99.656, 86.665, 13.03, 99.225, 43.608, -41.822, 206.671]
[EX A]: 83.683

[EX Q]: [60.02, -66.628, -95.571, 114.26, 109.577, 141.08, 154.303, 228.454, 46.856, 7.365]
[EX A]: 69.972

[EX Q]: [-54.808, 165.719, 109.049, -74.175, -62.903]
[EX A]:
16.576