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]: [65.486, -51.995, 170.628, -23.998, 83.128, -57.38, 130.737, 214.738]
[EX A]: 66.418

[EX Q]: [118.319, 70.462]
[EX A]: 94.39

[EX Q]: [195.601, 160.736, 226.199, 210.345, -39.117, 174.994, 65.596, 41.928, 141.095, 197.382]
[EX A]:
137.476