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]: [244.1, -84.018, 7.772, 69.273, 99.397, 158.691, -0.315]
[EX A]: 70.7

[EX Q]: [3.556, 65.177]
[EX A]: 34.366

[EX Q]: [14.714, 193.877, 59.698, 207.719, 48.002, 115.721, 240.783, -11.255, 184.37]
[EX A]:
117.07