Problem:

Compute the mean of ${-4 \sqrt{5}, 0, 0, \sqrt{5}, 2 \sqrt{5}, -2 \sqrt{5}, 3 \sqrt{5}, -3 \sqrt{5}}$.

import math

from statistics import mean
values = -4*math.sqrt(5), 0, 0, math.sqrt(5), 2*math.sqrt(5), -2*math.sqrt(5), 3*math.sqrt(5), -3*math.sqrt(5)
print(mean(values))
