11. Vector Concatenation

How do you plan to solve it?

/*Write your code here*/
module concat8_packer(
    input [3:0] A, 
    input [1:0] B,
    input C, D,
    output [7:0] OUT
);
    assign OUT = {
        A[3:0],
        B[1:0],
        ~C,
        D
    };
endmodule