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,
    input        D,
    output [7:0] OUT
);
assign OUT[7:4] = A;
assign OUT[3:2] = B;
assign OUT[1] = ~C;
assign OUT[0] = D;


endmodule