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]: [233.848, -58.713, 126.623, 27.615, 62.365, 200.239, 13.38]
[EX A]: 86.48

[EX Q]: [108.822, 139.139, 130.938, 100.996, 155.361, 8.752, 221.639, -12.877]
[EX A]: 106.596

[EX Q]: [105.928, -57.523, -66.34, 41.07, 93.737, 50.221]
[EX A]:
27.849