Set .symmetric_difference() Operation

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    eng_num = int(input())
    eng_list = set(*[(int(i) for i in input().split())])
    french_num = int(input())
    french_list = set(*[(int(i) for i in input().split())])
    
    unique_list = eng_list.symmetric_difference(french_list)
    answer = 0
    for i in unique_list:
        answer += 1
    print(answer)