Find the difference between two sets, namely ${-1, 0, \frac{14}{\sqrt{5}}, -9.753} \setminus {4 \sqrt{5}, 2 \sqrt{5}, -9.753, \frac{9}{2}, 0}$.

import math

fst = set((-1, 0, (14/(math.sqrt(5))), -9.753,))
snd = set((4*math.sqrt(5), 2*math.sqrt(5), -9.753, (9/2), 0,))
print(fst - snd)
