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]: [193.711, 110.309, -20.334, 151.607, 158.797, -97.825, -59.931]
[EX A]: 62.333

[EX Q]: [34.718, 46.286, 107.22, 181.771, -27.702, -66.747]
[EX A]: 45.924

[EX Q]: [75.0, 101.313, 116.392, -0.366, 212.221, 138.735, 204.051, 207.851, 246.71]
[EX A]:
144.656