Problem:

Compute the mean of ${-\frac{15}{\sqrt{\pi }}, -\frac{14}{\sqrt{\pi }}, -\frac{5}{\sqrt{\pi }}}$.

import math

from statistics import mean
values = -(15/(math.sqrt(math.pi))), -(14/(math.sqrt(math.pi))), -(5/(math.sqrt(math.pi)))
print(mean(values))
