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.

Q: [218.46, 7.937, 155.624, 82.813, 93.516]

A: 111.67
****
Q: [212.456, 6.972, -59.399, -83.342, 215.038, -97.851]

A: 32.312
****
Q: [-53.097, 130.791, 218.881, 162.561, -20.497, 82.655, -64.567, 131.705, 79.607]

A:
74.227
****