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]: [79.04, 110.342, 208.846, 132.702, 48.832, -81.929]
[EX A]: 82.972

[EX Q]: [245.271, 40.965, 133.913, 212.104]
[EX A]: 158.063

[EX Q]: [231.159, 217.795, 230.676, -11.951, -82.697, 31.413]
[EX A]:
102.732