11. Vector Concatenation

How do you plan to solve it?

/*Write your code here*/
module concat8_packer (A,B,C,D,OUT);
input  [3:0]A;
input  [1:0]B;
input  [0:0]C;
input  [0:0]D;
output [7:0]OUT;
assign OUT[7:0]={A,B,~C,D};
endmodule