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]: [-66.271, 56.586, -21.072, 136.915, 54.951, 112.054]
[EX A]: 45.527

[EX Q]: [226.287, 114.252, -53.47, 8.606, 234.708, -31.872, 163.615]
[EX A]: 94.589

[EX Q]: [140.279, -94.178, 192.832, -89.928, 34.417, -79.944, 111.457, -72.451]
[EX A]:
17.81