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: [223.847, 115.483, 148.407, -44.824, 99.251, 36.833, -45.949]

Answer: 76.15


Question: [62.65, 155.504, 55.659, 77.757]

Answer: 87.892


Question: [161.68, 205.351, 117.881, -21.979]

Answer:
115.733