# Set X
X = {1, 2, 3}
# Set Y
Y = {2, 3, 4}
# Set Z
Z = {2, 3, 4}
print("Symmetric difference between X & Y", X.symmetric_difference(Y))
print("Symmetric difference between Y & Z", Y.symmetric_difference(Z))
print("Symmetric difference between X & X", X.symmetric_difference(X))