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]: [-32.499, 21.999, 235.435, 58.638, -57.806, 224.947, 74.782]
[EX A]: 75.071

[EX Q]: [112.53, -67.079, 177.313, 230.482, 57.316, -37.564]
[EX A]: 78.833

[EX Q]: [62.982, 162.598, -87.283, -49.754, 3.283, -4.2, -20.891]
[EX A]:
9.534