Find the difference between two sets, namely ${-5, \frac{54}{7}, \frac{1}{2}, -2, 6} \setminus {1, -5, \frac{1}{2}, -4, 9, 8}$.

fst = set((-5, (54/7), (1/2), -2, 6,))
snd = set((1, -5, (1/2), -4, 9, 8,))
print(fst - snd)
