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]: [160.713, 125.985, 186.982, -94.178, 183.77]
[EX A]: 112.654

[EX Q]: [2.81, 52.99, 55.279, 75.682, 73.835, 148.077, -54.162, 112.112]
[EX A]: 58.328

[EX Q]: [43.85, -69.445, 10.276, 128.513, -12.443, -67.056, 20.736, 80.301, -37.54, 174.27]
[EX A]:
27.146