//2023-9-27 ()
//ѡһ߼ϰ

module fn_sw (
                a    ,
                b    ,
                sel  ,
                y
                );

input           a,b  ;
input           sel  ;
output          y    ;

assign          y = sel?(a^b):(a&b);

    
endmodule

//-------testbench-------

module tb_fn_sw ();





fn_sw u_fn_sw (
                .a     (a0),
                .b     (b0),
                .sel   (sel0),
                .y     (y0)
                );
    
endmodule