17. Binary to Gray Code Converter

How do you plan to solve it?

The appended image helped a lot!!

/*Write your code here*/
module bin2gray4(
    input wire [3:0] bin_in,
    output wire [3:0] gray_out
);

assign gray_out[3] = bin_in[3];
assign gray_out[2] = (bin_in[3] ^ bin_in[2]);
assign gray_out[1] = bin_in[2] ^ bin_in[1];
assign gray_out[0] = bin_in[1] ^ bin_in[0];

endmodule