12. Vector Bitwise Operators

How do you plan to solve it?

module bitwise_ops_demo(input [3:0]A,B ,
  output [3:0]AND_OUT,OR_OUT,XOR_OUT,XNOR_OUT);
  assign AND_OUT = A&B;
  assign OR_OUT  = A|B;
  assign XOR_OUT = (~A&B)|(A&~B);
  assign XNOR_OUT = ~((~A&B)|(A&~B));
endmodule