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.

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

[57.478, 212.225, -90.816, -10.092, 238.514, 60.36, 59.627]
75.328

[162.188, 184.691, -69.948, 122.5, 1.153, -21.48, -82.005, 210.977, -85.877, -62.758]

35.944