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
);

wire w1 = ~C;
assign OUT = {A[3:0], B[1:0], w1, D};

endmodule