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]: [-36.318, 176.066, 36.435, 132.732, -15.887, -24.851, 169.963, -98.796, 38.818]
[EX A]: 42.018

[EX Q]: [38.24, 196.576, -84.173, -45.001, 1.607, 170.177, 234.811, -60.183, -91.513]
[EX A]: 40.06

[EX Q]: [54.131, 86.834, 31.709, -91.888, 101.74]
[EX A]:
36.505