se9.py

s1={1,2,3,4,5}
s2={4,5,6,7,8}
# symmetric_difference by using ^ operator
s3=s1^s2
print (s3) #Output: {1, 2, 3, 6, 7, 8}

s4=s1.symmetric_difference(s2)
print (s4) #Output:{1, 2, 3, 6, 7, 8}

#symmetric_difference_update()

print (s1.symmetric_difference_update(s2)) #Output: None
print (s1) #Output: {1, 2, 3, 6, 7, 8}

s2^=s1
print (s2) #Output: {1,2,3}