instruction:
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.
question:
[-9.301, -10.629, 88.777, 68.965]
answer:
34.453


question:
[178.031, -52.967, 31.914, 174.681, 155.375, -3.831, 165.333, 10.246, -14.468]
answer:
71.59


question:
[19.431, 88.063, -40.795, 215.353]
answer:

70.513