RosettaCodeData/Task/Symmetric-difference/SETL/symmetric-difference.setl

program symmetric_difference;
    A := {"John", "Bob", "Mary", "Serena"};
    B := {"Jim", "Mary", "John", "Bob"};

    print("A - B:", A - B);
    print("B - A:", B - A);
    print("Symmetric difference:", (A-B) + (B-A));
end program;