42. Write a Python program to create set difference.

setc1 = set(["green", "blue"])
setc2 = set(["blue", "yellow"])
r1 = setc1.difference(setc2)
print("Difference of setc1 - setc2:")
print(r1)
r2 = setc2.difference(setc1)
print("Difference of setc2 - setc1:")
print(r2)42. Write a Python program to create set difference.