12. Vector Bitwise Operators

How do you plan to solve it?

/*Write your code here*/
module bitwise_ops_demo(input  [3:0] A,
    input  [3:0] B,
    output [3:0] AND_OUT,
    output [3:0] OR_OUT,
    output [3:0] XOR_OUT,
    output [3:0] XNOR_OUT );

    assign AND_OUT = {A[3]&B[3],A[2]&B[2],A[1]&B[1],A[0]&B[0]};
    assign OR_OUT = {A[3]|B[3],A[2]|B[2],A[1]|B[1],A[0]|B[0]};
    assign XOR_OUT = {A[3]^B[3],A[2]^B[2],A[1]^B[1],A[0]^B[0]};
    assign XNOR_OUT = {~(A[3]^B[3]),~(A[2]^B[2]),~(A[1]^B[1]),~(A[0]^B[0])};
endmodule