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:
[199.874, -45.634, -39.343, 75.985, 143.35, 87.15, 120.645, -34.636, 159.567]
answer:
74.106


question:
[-45.826, -27.376, 126.782, -28.164, 213.819, 186.676]
answer:
70.985


question:
[117.877, 132.169, 56.381, 30.113]
answer:

84.135