Find the difference between two sets, namely ${-\pi, -5, -2, -10, 7, -\frac{9}{4}, -4 \sqrt{3}, -6} \setminus {4, 6, -5}$.

import math

fst = set((-math.pi, -5, -2, -10, 7, -(9/4), -4*math.sqrt(3), -6,))
snd = set((4, 6, -5,))
print(fst - snd)
