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]: [89.226, 241.396, 7.011, 114.867, 113.075, 103.559, 83.142, 188.743, -27.33, 180.773]
[EX A]: 109.446

[EX Q]: [-41.362, 123.84, 236.661, -43.042, 53.399, 15.001, 10.159, 38.886, 74.298, 167.559]
[EX A]: 63.54

[EX Q]: [144.964, -8.324, 84.324]
[EX A]:
73.655