11. Vector Concatenation

How do you plan to solve it?

it is just a concatination operator problem .

/*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,B,~C,D};

endmodule