Find the union of the following sets, namely ${-4, 7, e, -9, -\frac{61}{7}} \cup {-4, 7, -3, 8}$.

import math

fst = set((-4, 7, math.e, -9, -(61/7),))
snd = set((-4, 7, -3, 8,))
print(fst.union(snd))
