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.

[175.015, 7.294, -30.146, 197.862, 76.557, 16.567, 176.301]
88.493

[217.276, 69.181, 56.534, 10.472, 148.018, 38.673, -94.676, 241.577, -23.436, 45.907]
70.953

[174.943, -19.337, 67.246, 202.457, 191.304, 67.278, 61.986]

106.554