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