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]: [203.45, 193.726, 199.582, 32.046, 74.008, 170.209, 121.427, -33.882, 78.136, -8.04]
[EX A]: 103.066

[EX Q]: [34.678, 109.562]
[EX A]: 72.12

[EX Q]: [170.006, 67.893]
[EX A]:
118.95