# Initialize sets A and B

A $=\{\text{'}$a$\text{'},\text{'}$b$\text{'},\text{'}$c$\text{'},\text{'}$d$\text{'},\text{'}$e$\text{'},\text{'}$f$\text{'}\}$

B $=\{\text{'}$c$\text{'},\text{'}$d$\text{'},\text{'}$f$\text{'},\text{'}$h$\text{'},\text{'}$j$\text{'},\text{'}$k$\text{'}\}$

result $=$ sorted$($A$.$symmetric$\_$difference$($B$))$

print$(\text{'}$A $=\text{'},$ sorted$($A$))$

print$(\text{'}$B $=\text{'},$sorted$($B$))$

print$(\text{'}\text{'})$

AsymdiffB $=$ set$()$

# put your code here to compute the symmetric difference of A and B

# first add all the elements that are in A but not B

# then add all the elements that are in B but not A

print$(\text{'}$Symmetric Difference of A and B $=\text{'},$ sorted$($AsymdiffB$))$