python: I find the same and different elements in both lists

# Interface Return value 
List1 = [ ' John Doe ' , ' John Doe ' , ' Wang Wu ' , ' second child ' ]
 # database Return value 
List2 = [ ' John Doe ' , ' John Doe ' , ' second child ' , ' Wang seven ' ] 

A = [X for X in List1 IF X in List2] # two tables listing the presence of 
B = [Y for Y in(List1 + List2) IF Y Not  in A] # two different list elements 

Print ( ' A value: ' , A)
 Print ( ' B values: ' , B) 

C = [X for X in list1 IF X not  in list2]   # not in the list in the list1 list2 list 
D = [Y for Y in list2 IF Y not  in list1]   # not in the list in the list1 list2 list 
Print ( ' C values:' , C)
 Print ( ' d has a value: ' , d)

Output

a values: [ ' John Doe ' , ' John Doe ' , ' second child ' ] 
B values: [ ' Wang Wu ' , ' King seven ' ] 
C values: [ ' Wang Wu ' ] 
D in values: [ ' King seven ' ]