Find the difference between two sets, namely ${-9, 2, 0, -2 e} \setminus {\frac{19}{2}, 2, 9, -9, 3 e, 10}$.

import math

fst = set((-9, 2, 0, -2*math.e,))
snd = set(((19/2), 2, 9, -9, 3*math.e, 10,))
print(fst - snd)
