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 C; input D; output [7:0]OUT; assign OUT[7:4]=A; assign OUT[3:2]=B; assign OUT[1]=~C; assign OUT[0]=D; endmodule