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 = {
        A[3:0],   // [7:4]
        B[1:0],   // [3:2]
        ~C,       // [1]
        D         // [0]
        };
endmodule