17. Binary to Gray Code Converter

How do you plan to solve it?

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

    // assign gray_out = {bin_in[3], (bin_in[3] ^ bin_in[2]), (bin_in[2] ^ bin_in[1]), (bin_in[1] ^ bin_in[0])};
    assign gray_out = bin_in ^ (bin_in >> 1);

endmodule