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]: [48.122, -2.158, 12.547, -39.257, -62.936, 120.37, 133.697, 68.132, 93.801]
[EX A]: 41.369

[EX Q]: [248.023, 57.595, -73.013, 200.246, 142.738, -70.94, -43.129, -7.477, 200.087, 6.452]
[EX A]: 66.058

[EX Q]: [-87.538, -7.561, 26.601, 135.996, -42.301, 225.007, 144.611, -15.788]
[EX A]:
47.378