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]: [122.737, 189.477, -4.853, 150.031, 126.296, 240.809, 204.743, 29.178]
[EX A]: 132.302

[EX Q]: [146.748, -23.736, 49.614]
[EX A]: 57.542

[EX Q]: [217.356, 189.716, 6.915, 191.059, -64.239, 235.664]
[EX A]:
129.412