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],B[1:0],~C,D};

endmodule