How do you plan to solve it?
using bitwise operators
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; assign XNOR_OUT=~(A^B); endmodule