Find the difference between two sets, namely ${6.6, 0, -\sqrt{2}, -2 e, 9, e, -4} \setminus {-5, -8, e, 0}$.

import math

fst = set((6.6, 0, -math.sqrt(2), -2*math.e, 9, math.e, -4,))
snd = set((-5, -8, math.e, 0,))
print(fst - snd)
