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]: [132.047, -2.027, 97.041, -49.199, 29.646, 3.384, 104.121, 237.857, 5.555]
[EX A]: 62.047

[EX Q]: [-28.295, -24.828, -66.96, -12.108, -96.597, 110.99, 172.86, -18.752, 157.717]
[EX A]: 21.559

[EX Q]: [-17.379, 171.195, 66.643, 209.116, -91.047, 179.202, 214.886, 34.22, 238.33, 209.302]
[EX A]:
121.447