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]: [70.282, -54.718, 95.793, 94.043, 183.314]
[EX A]: 77.743

[EX Q]: [-17.604, 15.108, 34.328, -94.608]
[EX A]: -15.694

[EX Q]: [131.546, 72.942, 147.671, -11.78, 143.753, 161.505]
[EX A]:
107.606