cppPyClassMethod, C++ (gcc)

Language: Layout:

//g++  7.4.0
//cppPyClassMethod
//this code is created by Rezaul Hoque on January 24,2022;
//contact:jewelmrh@yahoo.com;Dhaka,Bangladesh;https://rezaulhoque.wordpress.com,https://hoquestake.blogspot.com
//note: codes shared by Rezaul Hoque on rextester are not for sale; they are created and shared to facilitate the algorithm learning process; many like Hoque use this platform to practice programming ;Rezaul hopes his contribution helps others to fine tune their learning;
//PythonClassMethod program(created on December 09,2021) looks like this:
/**************************

class Book:
           
          title= 'No Title'
          author= 'No author'
          genre= 'No genre'

@classmethod
          def  genBook(cls,title,genre):
                      return cls(title,genre)
          @staticmethod
          def banner():
                  print("Python Class Method")
                  print("December 09,2021")
          @staticmethod
          def  pattern():
                      print("##############")

book1=Book()
book1='Kim','Rudyard Kipling','Adventure'
book2=Book()
book2='Sonar Kella','Detective Thriller'

Book.pattern()
Book.banner()
print(book1)
print(book2)
Book.pattern()
********************/

#include <iostream>
#include <string>

class Book{
private:
std::string title, author, genre;
public:
Book(){}
Book(std::string t,std::string a,std::string g){title=t; author=a; genre=g;}
Book(Book& c){title=c.title;author=c.author;genre=c.genre;}
~Book(){}
static void banner(){std::cout<<"C++ equivalent of Python class method.\n";
std::cout<<"January 24,2022\n";}
static void pattern(){std::cout<<"\n##############\n";}
virtual std::string getT() const { return title;}
virtual std::string getA() const { return author;}
virtual std::string getG() const { return genre;}
};

int main()
{
 Book b1("Kim","Rudyard Kipling","Adventure");
Book b2("Sonar Kella","Satyajit Ray","Thriller");
Book::pattern();

Book::banner();

std::cout<<b1.getT();
std::cout<<"\t";
std::cout<<b1.getA();
std::cout<<"\t";
std::cout<<b1.getG();
std::cout<<"\n";

std::cout<<b2.getT();
std::cout<<"\t";
std::cout<<b2.getA();
std::cout<<"\t";
std::cout<<b2.getG();
Book::pattern();
return 0;
}

Show compiler warnings [ + ] Compiler args [ + ] Show input
Compilation time: 0.52 sec, absolute running time: 0.15 sec, cpu time: 0.01 sec, memory peak: 5 Mb, absolute service time: 0,82 sec