Create a set DifferenceΒΆ
S4 = S1 - S3
Create a Set Difference.
S1 = set(["apple", "mango"])
S2 = set(["mango", "orange"])
S3 = S1 & S2
print(S3) # {'mango'}
#Set difference
S4 = S1 - S3
print(S4) # {'apple'}